1. RHYS AP¹ TUDOR MAWR, PRINCE OF SOUTH WALES was born about 1040^[1], and died in 1093 Near Castle Of, Brecknock, Breconshire, Wales, United Kingdom^[2]. He married (MO-2) GWLADUS VERCH RHIWALLON of Powys, Wales, daughter of (MO-1) Rhiwallon ap CYNFYN, who was born about 1041. ^{[4, 1]}
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NESTA VERCH2 RHYS of Dynevor Castle, Carmarthen, Wales, b. about 1073; m. (1) (S-30) KING HENRY I "BEAUCLERC" OF ENGLAND, b. in Selby, Yorkshire, England, United Kingdom in 1068[3], d. in Normandy, France on 2 Dec. 1135, son of (S-25) King William I the Conqueror and (X-17) Matilda (Maud) (of FLANDERS), Queen of England; m. (2) (AFE-3) GERALD FITZ WALTER, b. in Windsor, Berkshire, England in 1070, d. before 1136, son of (AFE-2) Walter and Beatrice (_____) FITZ OTHER.

2. NESTA VERCH² RHYS (Rhys Ap TUDOR MAWR¹) of Dynevor Castle, daughter of (1) Rhys Ap¹, Prince of South Wales and (MO-2) Gwladus Verch (RHIWALLON), was born about 1073, and died between 1100 and 1193. She married (1st) (S-30) KING HENRY I "BEAUCLERC" OF ENGLAND, son of (S-25) King William I the Conqueror and (X-17) Matilda (Maud) (of FLANDERS), Queen of England, who was born in 1068 in Selby^[3], was christened on 5 Aug. 1100, died on 2 Dec. 1135 in Normandy, and was buried on 4 Jan. 1136 in Reading Abbey, Reading, Berkshire. She married (2nd) (AFE-3) GERALD FITZ WALTER, son of (AFE-2) Walter and Beatrice (_____) FITZ OTHER, who was born in 1070 in Windsor, and died before 1136. ^{[5, 1]}
Child of: Nesta Verch² RHYS and King Henry I "Beauclerc" of ENGLAND: See (S-30) King Henry I "Beauclerc" of ENGLAND

Child of: Nesta Verch² RHYS and Gerald FITZ WALTER: See (AFE-3) Gerald FITZ WALTER