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See Peter Bartrum, https://cadair.aber.ac.uk/dspace/bitstream/handle/2160/5128/bleddyn... (May 4, 2017; Anne Brannen, curator)
KINSHIP-Daughter & co-heiress : Source- Lloyd - History of the Princes, The Lords Marcher and the Ancient Nobility of Powys Fadog(vol 5, page 43, fn4)
IDENTITY CONFLICT (research) Lloyds, History of the Princes etc (vol 6 page 17) calls her Efa or Gwenillian ferch Gruffudd LLywd of Dinorwig, but footnote 3 states he married Efa ferch Llywelyn ap Gruffudd ap Gwenwywyn.
MARRIAGE CONFLICT - Lloyd's History of the Princes etc (vol 5 page 43, footnote 4) states she married secondly Iowerth ab Ieuaf ab Alo of Trefnant.
1270 |
1270
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of Cyfeiliog commote, Montgomeryshire,, Wales (United Kingdom)
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1285 |
1285
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1300 |
1300
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of Yr Hendyr, Llandrillo- yn-Edeimion, Merionethshire, Wales (United Kingdom)
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1300
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1305 |
1305
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???? |