1. HUGH¹ DE VIVONA was born between 1128/9 and 1285/6, and died between 1188/9 and 1395/6. He married (AAI-6) MABEL MALET, daughter of (AAI-4) Sir William II and (DZ-7) Alice (BASSET). ^[1]
Child:

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WILLIAM2 DE VIVONA, d. on 22 May 1298/9; m. (PP-16) MAUD DE FERRERS, d. on 12 March 1298/9[1], daughter of (PP-13) William, 5th Earl of Derby and (AAT-8) Sibyl (MARSHAL).

2. WILLIAM² DE VIVONA (Hugh¹), son of (1) Hugh¹ and (AAI-6) Mabel (MALET) DE VIVONA, was born between 1197 and 1243, and died on 22 May 1298/9^[1]. He married (PP-16) MAUD DE FERRERS, daughter of (PP-13) William, 5th Earl of Derby and (AAT-8) Sibyl (MARSHAL), who died on 12 March 1298/9^[1]. ^[2]
Child:

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CECILY3 DE VIVONA, b. in 1257; m. (EH-4) JOHN DE BEAUCHAMP, b. before 1249, d. in Hatch, Somersetshire, England, United Kingdom on 24 Oct. 1283[3], son of (EH-2) Robert IV and (ACN-7) Alice (de MOHUN) DE BEAUCHAMP.

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