Arthen ap Seisyll

See Peter Bartrum, https://www.geni.com/documents/view?doc_id=6000000173395725864 (February 5, 2023; Anne Brannen, curator)

See Darrell Wolcott, "Llewelyn ap Hoedliw" -- http://www.ancientwalesstudies.org/id154.html -- for the untangling of these lines. (April 25, 2016; Anne Brannen, curator)

Please see Darrell Wolcott: The Legendary Kingdom of Seisyllwg; http://www.ancientwalesstudies.org/id123.html. (Steven Ferry, September 11, 2020.)

Please see Darrell Wolcott: Early Ceredigion and its Rulers; http://www.ancientwalesstudies.org/id158.html. (Steven Ferry, September 11, 2020.)

Please see Darrell Wolcott: Llewelyn ap Hoedliw, Lord of Is Cerdin; http://www.ancientwalesstudies.org/id154.html. (Steven Ferry, September 11, 2020.)

Please see Darrell Wolcott: Harleian Ms 3859; http://www.ancientwalesstudies.org/id129.html. (Steven Ferry, March 8, 2021.)

Please see Darrell Wolcott: Hyfaidd ap Bleddri versus Sons of Rhodri Mawr; http://www.ancientwalesstudies.org/id266.html. (Steven Ferry, May 5, 2021.)

ID: I7123 Name: Arthen Ap SEISYLL Given Name: Arthen Ap Surname: SEISYLL Sex: M Change Date: 13 MAY 2009 Note: Ancestral File Number: QRML-5M

!#4568> Welsh Genealogies Ad 300-1400,-v1-p6* (FHL #6025561); !ARCH REC> Plantagenet Ancestry; Ancestral Lines, Jones; Wurts Magna Charta; (Born 728) !DIED> #4568-v1-p6; @AFN #QRML5M; 1 2 Birth: ABT 730 in Ceredigion, Wales, United Kingdom Death: 807 Ancestral File #: QRML-5M Reference Number: > 211 WEL

Father: Seisyll ap CLYDOG b: ABT 701 in Ceredigion, Wales, United Kingdom

Marriage 1 Mrs-Arthen SEISYLL b: ABT 730 in , Wales, United Kingdom Note: _UID58E81996700B7A46BFCB5D7AD95B5700163F

_UID58E81996700B7A46BFCB5D7AD95B5700163F Children

Dyfnwallon Ap ARTHEN b: ABT 755 in Ceredigion, Wales, United Kingdom

Sources: Abbrev: Ancestral File Title: The Church of Jesus Christ of Latter-day Saints, Ancestral File (R) Copyright (c) 1987, June 1998, data as of 5 JAN 1998;FamilySearch® Ancestral File? v4.19" 3 Feb 2001 /i> Copyright (c) 1987, June 1998, data as of 5 JAN 1998;FamilySearch® Ancestral File? v4.19" 3 Feb 2001 /i> Copyright (c) 1987, June 1998, data as of 5 JAN 1998;FamilySearch® Ancestral File? v4.19" 3 Feb 2001

Repository: Name: Family History Library 35 N West Temple Street

Repository: Abbrev: Pedigree Resource File CD 6 Title: Pedigree Resource File CD 6 (Salt Lake City, UT: Intellectual Reserve, Inc., 1999)serve, Inc., 1999)serve, Inc., 1999). Repository: