1. HUGH¹ DE VIVONA was born between 1129 and 1284, and died between 1189 and 1394. He married (ABD-6) MABEL MALET, daughter of (ABD-4) Sir William II and (DX-7) Alice (BASSET). ^[1]
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WILLIAM2 DE VIVONA, b. about 1240; d. on 22 May 1298[1]; m. (QA-16) MAUD DE FERRERS, d. on 12 MAR 1298/9[1], daughter of (QA-13) William, 5th Earl of Derby and (ABO-8) Sibyl (MARSHAL).

2. WILLIAM² DE VIVONA (Hugh¹), son of (1) Hugh¹ and (ABD-6) Mabel (MALET) DE VIVONA, was born between 1196/7 and 1243, and died on 22 May 1298^[1]. He married (QA-16) MAUD DE FERRERS, daughter of (QA-13) William, 5th Earl of Derby and (ABO-8) Sibyl (MARSHAL), who died on 12 MAR 1298/9^[1]. ^{[1, 2]}
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CECILY3 DE VIVONA, b. in 1257[1]; d. about 1320; m. (EF-4) JOHN DE BEAUCHAMP, b. before 1249[3], d. in Hatch, Somersetshire, England, United Kingdom[3] on 24 Oct. 1283[3], son of (EF-2) Robert IV and (ADI-7) Alice (de MOHUN) DE BEAUCHAMP.

3. CECILY³ DE VIVONA (William², Hugh¹), daughter of (2) William² and (QA-16) Maud (de FERRERS) DE VIVONA, was born in 1257^[1], and died between 25 July 1274 and 1367. She married (EF-4) JOHN DE BEAUCHAMP, son of (EF-2) Robert IV and (ADI-7) Alice (de MOHUN) DE BEAUCHAMP, who was born before 1249^[3], and died on 24 Oct. 1283^[3] in Hatch^[3]. ^{[1, 4]}
Child: See (EF-4) John de BEAUCHAMP