Adam ap Seisyll MP (deceased)

See Peter Bartrum, (February 26, 2017; Anne Brannen, curator) See Peter Bartrum, (October 26, 2022; Anne Brannen, curator)

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Angharad verch Maredudd MP (c.994 - 1077)

See Peter Bartrum, (May 31, 2018; Anne Brannen, curator) See Peter Bartrum, (May 27, 2018; Anne Brannen, curator) See Peter Bartrum, (May 27, 2018; Anne Brannen, curator)

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Ann verch Rhys Goch MP (1227 - d.)

See Peter Bartrum, (August 11, 2017; Anne Brannen, curator)

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Antonius "the Cambrian" ap Seisyll, duke of Cornwall {Fictional} MP (c.-370 - d.)

There is a medieval genealogical tract which says that Aedd mawr was the son of Anthun, which is the British spelling of Anthony. sucessive links to Abraham

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Arthen ap Seisyll MP (c.735 - 807)

See Peter Bartrum, (February 5, 2023; Anne Brannen, curator) See Darrell Wolcott, "Llewelyn ap Hoedliw" -- -- for the untangling of these lines. (April 25, 2016; Anne Brannen, curator) Please see Dar...

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Arthen ap Seisyll MP (c.1150 - d.)

See Peter Bartrum, (June 21, 2022; Anne Brannen, curator) Please see Darrell Wolcott: Family of Drymbenog ap Maenyrch of Brycheiniog; (Steven Ferry, May 21, 2023.)

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Arthfael ap Seisyll, of Britain {Legendary} MP (deceased)

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Cadwaladr ap Seisyll MP (b. - 1175)

See Peter Bartrum, (June 21, 2022; Anne Brannen, curator)

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Cynan ap Seisyll MP (c.984 - 1027)

See Peter Bartrum, (May 27, 2018; Anne Brannen, curator)Please see Darrell Wolcott: The Era of Llewelyn ap Seisyll; . (Steven Ferry, July 19, 2020.)

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Cynfarch . ap Seisyll, Brenin Lloegria {Fictional} MP (deceased)

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Cynfyn Hwna ap Seisyll Fychan MP (deceased)

See Peter Bartrum, (October 26, 2022; Anne Brannen, curator)

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Cynfyn Fychan ap Seisyll Fychan MP (deceased)

See Peter Bartrum, (March 6, 2018; Anne Brannen, curator) See Peter Bartrum, (October 26, 2022; Anne Brannen, curator)

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Cynwrig ap Seisyll MP (deceased)

See Peter Bartrum, (July 21, 2017; Anne Brannen, curator)

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Dafydd ap Seisyll MP (deceased)

Please see Peter Bartrum: Dafydd of Caeo; [NOTE: Bartrum skips a genearti9on in this line] (Steven Ferry, June 16, 2023.)

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Dan ap Seisyll, {Legendary} MP (c.-900 - d.)

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Einion ap Seisyll, of Mathafarn MP (c.1110 - d.)

See Peter Bartrum, Seisyll 1 (July 7, 2024; Anne Brannen, curator) See Peter Bartrum, (June 19, 2017; Anne Brannen, curator) See Darrell Wolcott, the Pedigree of Cynddelw Gam, for the untangling of t...

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Einion ap Seisyll, of Aberffrydlan MP (c.1175 - d.)

See Darrell Wolcott, -- "The Pedigree of Ednywain Bendew" -- for untangling of these lines. (April 18, 2016, Anne Brannen, curator) Please see Darrell Wolcott: Pedigree of "Ednowain Bendew II"; , [#32...

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Gronwy ap Seisyll MP (c.1195 - d.)

Please see Darrell Wolcott: Welshmen Named Maenyrch; (Steven Ferry, January 23, 2023.)

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Gruffudd ap Seisyll MP (deceased)

See Peter Bartrum, (October 26, 2022; Anne Brannen, curator)

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Gwenllian ferch Maredudd MP (c.1195 - d.)

Please see Darrell Wolcott: Family of Drymbenog ap Maenyrch of Brycheiniog; (Steven Ferry, May 21, 2023.)

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Gwlhafed ap Seisyll MP (c.1040 - d.)

Please see Peter Bartrum: Gwlhafed; (Steven Ferry, November 2, 2023.)

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Gwrgeneu ap Seisyll MP (c.1065 - d.)

See Peter Bartrum, (May 31, 2018; Anne Brannen, curator)Please see Darrell Wolcott: The Battle of Mynydd Carn; . (Steven Ferry, May 26, 2020.)Please see Darrell Wolcott: Trahaearn ap Caradog of Arwystl...

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Gwrwared ap Seisyll MP (c.1070 - d.)

See Peter Bartrum, (June 1, 2018; Anne Brannen, curator) Please see Darrell Wolcott: The Royal Family of Gwynedd - Pasgen "ap Urien Rheged", Lord of Gower; . (Steven Ferry, January 3, 2020.) Please s...

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Gwyn ap Seisyll MP (deceased)

Please see Peter Bartrum: Dafydd of Caeo; [NOTE: Bartrum skips a genearti9on in this line] (Steven Ferry, June 16, 2023.)

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Hywel ap Seisyll MP (c.1235 - d.)

Please see Darrell Wolcott: Family of Drymbenog ap Maenyrch of Brycheiniog; (Steven Ferry, May 21, 2023.)

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Hywel ap Seisyll MP (c.1115 - d.)

See Darrell Wolcott, who has worked extensively on untangling the Welsh lines: (January 15, Anne Brannen, curator) Please see Darrell Wolcott: Pedigree of Cynddelw Gam of Ystrad Alun; ; [#150] (Steven...

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Hywel ap Seisyll MP (deceased)

See Peter Bartrum, (October 28, 2022; Anne Brannen, curator) See Peter Bartrum, (October 26, 2022; Anne Brannen, curator)

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Jeffrey ap Seisyll MP (c.1156 - 1175)

See Peter Bartrum, (June 21, 2022; Anne Brannen, curator) See Peter Bartrum, (January 22, 2020; Anne Brannen, curator)

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Jenkin ap Seisyll MP (deceased)

See Peter Bartrum, (October 28, 2018; Anne Brannen, curator) See Peter Bartrum, (October 26, 2022; Anne Brannen, curator)

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Joan Bredwarden MP (deceased)

See Peter Bartrum, (October 26, 2022; Anne Brannen, curator) See Peter Bartrum, (March 6, 2018; Anne Brannen, curator)

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Llawrodd Dyfed ap Seisyll MP (c.910 - d.)

See Peter Bartrum, (June 1, 2018; Anne Brannen, curator)Please see Darrell Wolcott: Two Families Headed by a Rhydderch ap Iestyn; . (Steven Ferry, July 18, 2020.)

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Llewelyn Hagr ap Seisyll MP (deceased)

See Peter Bartrum, (October 28, 2022; Anne Brannen, curator) See Peter Bartrum, (October 26, 2022; Anne Brannen, curator)

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Llywarch ap Seisyll MP (c.695 - d.)

See Peter Bartrum, (February 5, 2023; Anne Brannen, curator) See Darrell Wolcott, "Llewelyn ap Hoedliw" -- -- for the untangling of these lines. (April 25, 2016; Anne Brannen, curator) Please see Dar...

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Llywelyn ap Seisyll MP (c.979 - 1023)

See Peter Bartrum, (May 27, 2018; Anne Brannen, curator) See Peter Bartrum, (May 27, 2018; Anne Brannen, curator) Please see Darrell Wolcott: Minimum Age for Welsh Kingship in the 11th Century; . (St...

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Madog Gam ap Seisyll MP (c.1235 - d.)

Please see Darrell Wolcott: Family of Drymbenog ap Maenyrch of Brycheiniog; (Steven Ferry, May 21, 2023.)

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Maredudd Hen ap Seisyll MP (c.1120 - d.)

Please see Darrell Wolcott: Madog Danwr, Lord of Llangurig Parish; . (Steven Ferry, November 18, 2021.)

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Morgan ap Seisyll MP (b. - aft.1171)

See Peter Bartrum, (June 21, 2022; Anne Brannen, curator) See Peter Bartrum, (January 22, 2020; Anne Brannen, curator)

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Nest verch Madog MP (c.1125 - d.)

See Peter Bartrum, Seisyll 1 (July 7, 2024; Anne Brannen, curator) (June 19, 2017; Anne Brannen, curator) Please see Darrell Wolcott: Henry, the Forgotten Son of Cadwgan ap Bleddyn; . (Steven Ferry,...

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N.N. verch Llewelyn Bren MP (1290 - d.)

See Peter Bartrum, (August 11, 2017; Anne Brannen, curator) Please see Peter Bartrum: Einion ap Rhiwallon 1; & Rhys Goch of Ystrand Yw; (Steven Ferry, July 22, 2023.)

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Philip ap Seisyll MP (c.1195 - d.)

Please see Peter Bartrum: Dafydd of Caeo; (Steven Ferry, June 16, 2023.)

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Rhirid ap Seisyll MP (deceased)

See Peter Bartrum, (July 19, 2017; Anne Brannen, curator)

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Rhiryd ap Seisyll MP (c.1205 - d.)

Please see Darrell Wolcott: Family of Drymbenog ap Maenyrch of Brycheiniog; (Steven Ferry, May 21, 2023.)

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Rhun ap Seisyll MP (1280 - 1361)

See Peter Bartrum, (August 11, 2017; Anne Brannen, curator) Please see Peter Bartrum: Einion ap Rhiwallon 1; & Rhys Goch of Ystrand Yw; (Steven Ferry, July 22, 2023.)

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Rhun ap Seisyll MP (c.1265 - d.)

Please see Darrell Wolcott: Ifor Bach, Lord of Senghenydd; (Steven Ferry, August 4, 2023.)

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Rhun ap Seisyll MP (c.1200 - 1282)

See Peter Bartrum, (August 11, 2017; Anne Brannen, curator) Please see Darrell Wolcott: Ifor Bach, Lord of Senghenydd; (Steven Ferry, August 6, 2023.)

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Rhys ap Seisyll MP (c.1050 - d.)

See Peter Bartrum, (May 30, 2018; Anne Brannen, curator)Please see Darrell Wolcott; Harleian Ms 3859; . (Steven Ferry, March 10, 2021.)

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Rhys Foel ap Seisyll MP (c.1285 - d.)

Ancestry uncertain: Please see Peter Bartrum: Llawrodd Dyfed; [NOTE: Bartrum charts this man as descended from Caradog ap Llawrodd Dyfed , but he is clearly missing 3 generations between Caradog and th...

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Robert ap Seisyll MP (deceased)

See Peter Bartrum, (October 28, 2022; Anne Brannen, curator) See Peter Bartrum, (October 26, 2022; Anne Brannen, curator)

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Seisyll Fychan ap Seisyll MP (deceased)

See Peter Bartrum, (October 26, 2022; Anne Brannen, curator)

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Adda ap Seisyll (deceased)

Please see Peter Bartrum: . (Steven Ferry, November 8, 2020.)-------------------------------Sources# A Genealogical and Heraldic Dictionary of the Landed Gentry of Great Britain and Ireland, Volume 1 (...

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Anne verch Meurig (1184 - d.)

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Einion ap Seisyll (c.1205 - c.1280)

Please see Darrell Wolcott: The Floruit of Einion ap Seisyllt; . (Steven Ferry, August 10, 2020.)

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Gruffudd ap Seisyll (deceased)

Please see Peter Bartrum: . (Steven Ferry, November 8, 2020.)---------------------------Sources# A Genealogical and Heraldic Dictionary of the Landed Gentry of Great Britain and Ireland, Volume 1 (Goog...

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Gwladys verch Morgan Fychan (c.1235 - d.)

Please see Peter Bartrum:Drymbebog 1; & Iestyn4; (Steven Ferry, November 27, 2020.) Please see Darrell Wolcott: Family of Drymbenog ap Maenyrch of Brycheiniog; (Steven Ferry, May 21, 2023.)

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Hywel ap Seisyll (c.1180 - d.)

Please see Peter Bartrum: Drymbenog 1; (Steven Ferry, November 27, 2020.) Please see Darrell Wolcott: Pedigree of Madog ap Idnerth; ; [#77]. (Steven Ferry, June 14, 2021.) Please see Darrell Wolcott:...

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Ieuan ap Seisyll (1175 - d.)

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Ifor ap Seisyll, Lord of Llys-Tal-y-Bont (1282 - c.1350)

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Ifor ap Seisyll, of Llys Tal-y-bent (deceased)

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Jane verch Llewelyn (c.1150 - d.)

See Peter Bartrum, (June 21, 2022; Anne Brannen, curator) Please see Darrell Wolcott: Family of Drymbenog ap Maenyrch of Brycheiniog; (Steven Ferry, May 21, 2023.)

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Madog Gam ap Seisyll (c.1220 - d.)

Please see Darrell Wolcott: Welshmen Named Maenyrch; (Steven Ferry, January 23, 2023.)

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Mawd ferch Rhys ap Hywel (deceased)

Maud daughter of Rees ap Howel, Lord of Llangors, ap Trahaern ap Gwrgan, ap Blethyn ap Maenarch, Prince of BrecknockSources # A Genealogical and Heraldic Dictionary of the Landed Gentry of Great Britai...

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Morfyl verch Cadifor (733 - d.)

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N.N. verch Robert Cecil, of Bewpyr (deceased)

See Peter Bartrum, (October 26, 2022; Anne Brannen, curator)

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N.N. (c.1215 - d.)

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N.N. verch Llewelyn (deceased)

See Peter Bartrum, (July 19, 2017; Anne Brannen, curator)

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N.N. (deceased)

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N.N. ferch Llewelyn (c.1215 - d.)

Please see Darrell Wolcott: Family of Drymbenog ap Maenyrch of Brycheiniog; (Steven Ferry, May 21, 2023.)

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NN . NN (deceased)

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NN . NN (deceased)

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Philip ap Seisyll (deceased)

Please see Peter Bartrum: . (Steven Ferry, November 8, 2020.) Sources# A Genealogical and Heraldic Dictionary of the Landed Gentry of Great Britain and Ireland, Volume 1 (Google eBook) Sir Bernard Burk...

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Ralph ap Seisyll (deceased)

Please see Peter Bartrum, (March 7, 2018; Anne Brannen, curator)

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Rhun ap Seisyll (deceased)

See Peter Bartrum, (July 23, 2017; Anne Brannen, curator)

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"unknown" (deceased)

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Unknown Wife (deceased)

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