Nest FERCH RHYS , Princess of Wales

  General Notes:

https://en.wikipedia.org/wiki/Nest_ferch_Rhys
Nest ferch Rhys (c. 1085 \endash after 1136) (popularly called Nesta or "Princess Nesta") was the only legitimate daughter of Rhys ap Tewdwr, last king of Deheubarth in Wales, by his wife, Gwladys ferch Rhiwallon ap Cynfyn of Powys. Her family is of the House of Dinefwr. Nest was the wife of Gerald de Windsor (c. 1075 \endash 1135), constable of Windsor Castle in Berkshire, by whom she was the ancestress of the FitzGerald dynasty and of the prominent Carew family, of Moulsford in Berkshire, Carew Castle in Pembrokeshire (in the Kingdom of Deheubarth) and of Mohuns Ottery in Devon (see Baron Carew, Earl of Totnes and Carew baronets).
Nest was brought as a prized hostage to the court of William Rufus, where she came to the attention of his younger brother Henry Beauclerc (the future King Henry I), to whom she bore one of his numerous illegitimate children, Henry FitzHenry (c. 1103\endash 1158).
Some time after the rebellions of Robert of Normandy and Robert of Belesme, head of the powerful Montgomery family of Normandy and England, the king married Nest to Gerald FitzWalter of Windsor, Arnulf de Montgomery's former lieutenant and constable for Pembroke Castle

Nest married Gerald Fitzwalter DE WINDSOR , Castellan of Pembroke Castle, son of Walter FITZOTHER , Feudal Baron of Eaton and Gladys AP CONWYN, about 1102. (Gerald Fitzwalter DE WINDSOR , Castellan of Pembroke Castle was born about 1075 in Windsor Castle and died about 1116.)

Nest had a relationship with Henry I "Beauclerc" OF ENGLAND King of England, son of William I "The Conqueror" King of England and Matilda OF FLANDERS. (Henry I "Beauclerc" OF ENGLAND King of England was born about 1068 in Selby, England and died on 1 Dec 1135 in Lyons-la-Forêt, France.)