1. OSBORNE I¹ DE BOLBEC has an unknown birthdate.
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OSBORNE II2 DE BOLBEC, b. about 1000/1; d. about 1100/1; m. DUVELINA _____.

2. OSBORNE II² DE BOLBEC (Osborne I¹), son of (1) Osborne I¹ DE BOLBEC, was born between 913/4 and 1070, and died between 973/4 and 1180. He married DUVELINA _____. ^{[2, 5]}
Lord of Longueville in Normandy, 1028-1035.
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WALTER3 GIFFARD, b. about 1010; d. in 1084; m. (QZ-2) AGNES FLATEL, daughter of (QZ-1) Girard FLATEL.

3. WALTER³ GIFFARD (Osborne II de BOLBEC², Osborne I¹), son of (2) Osborne II² and Duvelina (_____) DE BOLBEC, was born between 973 and 1020, and died in 1084. He married (QZ-2) AGNES FLATEL, daughter of (QZ-1) Girard FLATEL. ^{[1, 5]}
Lord of Longueville, a Companion of William the Conqueror at the battle of Hastings, 1066
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ROHESE4 GIFFARD, b. in 1034 in Longueville, Normandy, France; d. about 1140; m. (Q-32) RICHARD FITZ GILBERT DE CLARE, LORD OF CLARE of Brionne, Normandy, b. of Brionne about 1030, d. in St. Neots, Huntingdonshire, England, United Kingdom in 1090[5], son of (Q-25) Count Gilbert.

4. ROHESE⁴ GIFFARD (Walter³, Osborne II de BOLBEC², Osborne I¹), daughter of (3) Walter³ and (QZ-2) Agnes (FLATEL) GIFFARD, was born in 1034 in Longueville, and died between 1133 and 1144. She married in England, (Q-32) RICHARD FITZ GILBERT DE CLARE, LORD OF CLARE of Brionne, son of (Q-25) Count Gilbert, who was born about 1030 of Brionne, was christened of Bienfaite, Normandy, died in 1090^[5] in St. Neots, and was buried before 1090 in St. Neots. ^{[3, 4]}
Children: See (Q-32) Richard Fitz Gilbert de CLARE, Lord of Clare