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Thomas ap Gwilym (1356 - 1438)

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Sir Thomas ap Gwilym
Born in Wernddu, Monmouthshire, Englandmap
Husband of — married [date unknown] [location unknown]
Died in Monmouth, Walesmap
This page has been accessed 832 times.

Categories: Cymru 742-1535.

badges This person was a member of royalty, nobility or aristocracy in Wales in the Middle Ages. If you are interested in this profile, see our Project: Cymru Welsh Royals and Aristocrats 742-1535.


Thomas ap Gwilym was the son of Gwilym ap Jenkin ab Adam. He was "of, Perth-hir, Rockfield, Llangatwg Feibion Afel, Monmouthshire, Wales."

First, Thomas married Mawd Morley. She was the daughter of Sir John Morley, Lord of Raglan. She was "of, Llansanffraid, Llan-arth Fawr, Monmouthshire, Wales," where she is buried.

Second, he married a daughter of Watkin of Llanddewi Rhydderich ap Henry. Her name is not known. She was "of, Llanddewi Rhydderch, Llanofer Fawr, Monmouthshire, Wales."

He had 11 legitimate children:

  • Sir William Thomas of Raglan was the son of Mawd.
  • a daughter, who married Thomas ap Llywelyn Gunter, was the daughter of wife two.

Boyer does not assign these children to a mother, but the FamilySearch Welsh database assigns them all to Mawd:

  • Philip of Llansanffraid
  • Robert, rector of Llanfihangel Cwm Du and Llanwenarth
  • Mawd, (possibly m. Gwilym of Tyle-glas ap Philip)
  • Hywel
  • Hywel Fychan
  • Margred, m. William Wroth
  • Tudful, m. Gwilym ap Hywel Hen
  • Hywel y Bwlch
  • Dafydd
  • Ieuan, m. Margred ferch Gwilym ap Jenkin Grant was an illegitimate son by an unknown mistress.

Lord of Perthyre Thomas ap William (1356-1438), Lord of Perthyre & Llansaintfraed manors, Gwent

He died in 1438. He is buried at Llansanffraid, Llan-arth Fawr, Monmouthshire, Wales Burial: Priory Church, Abergavenny, Monmouth, Eng.


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No known carriers of Thomas's Y-chromosome or his mother's mitochondrial DNA have taken yDNA or mtDNA tests.

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On August 8, 2015 at 20:26GMT Liz Shifflett wrote:

update - name resolved (see G2G) & merge completed

Ap Gwyllym-1 and Ap Gwilym-16 appear to represent the same person because: These profiles are for the same person. Please merge. Thanks!

On April 14, 2015 at 20:35GMT RJ Horace wrote:

Ap Gwyllym-1 and Ap Gwilym-16 are not ready to be merged because: Naming standards issues

Thomas is 20 degrees from Kevin Bacon, 23 degrees from AJ Jacobs, 49 degrees from Lisa Kudrow, 28 degrees from Kurt Vonnegut and 18 degrees from Queen Elizabeth II of the Commonwealth Realms on our single family tree. Login to find your connection.

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