Jonet verch Jenkin Gruffith Vaughan

  Research Notes:

From The History of the Gwydir Family by Sir John Wynne (Oswestry, 1878), p. 87:
By Jonet, daughter of Jenkin Gruffith Vaughan, he had,
XXII Mr. Robert, a Priest.
XXIII. John Coetmor, father of William, father of John Williams, goldsmith in London; who had issue Sir John Williams of the isle of Thanet, Bart. Sir Edmund Williams, Bart. &c. From him alsoe came Sir Morris Williams, Physician to the Queene.
XXIV Catherine.

Jonet married Meredydd ap Ieuan ap Robert of Keselgyfarch Gwedir, Carnarvonshire, son of Ieuan ap Robert of Cesail Gyfarch and Gwydir and Unknown. (Meredydd ap Ieuan ap Robert of Keselgyfarch Gwedir, Carnarvonshire died in 1525.)