1. WILLIAM¹ D'AUBIGNY was born between 1046 and 1142, and died in 1156^[8]. He married CECILY DE BELVOIR. ^[8]
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WILLIAM II2 D'AUBIGNY, m. (L-13) MAUD FITZ ROBERT, b. before 1134[4], daughter of (L-4) Robert and (AD-3) Maud (de ST. LIZ) FITZ RICHARD.

2. WILLIAM II² D'AUBIGNY (William¹), son of (1) William¹ and Cecily (de BELVOIR) D'AUBIGNY, was born between 1086 and 1157, and died between 1145 and 1266. He married (L-13) MAUD FITZ ROBERT, daughter of (L-4) Robert and (AD-3) Maud (de ST. LIZ) FITZ RICHARD, who was born before 1134^[4]. ^[8]
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WILLIAM3 D'AUBIGNY, LORD OF BELVOIR of Belvoir, Leicestershire, England, United Kingdom, b. after 1146; d. on 1 May 1236; m. MARGERY DE UMFREVILLE.

3. WILLIAM³ D'AUBIGNY, LORD OF BELVOIR (William II², William¹) of Belvoir, son of (2) William II² and (L-13) Maud (FITZ ROBERT) D'AUBIGNY, was born after 1146^[4], and died on 1 May 1236^[4]. He married MARGERY DE UMFREVILLE. ^{[5, 2]}
Lord of Belvoir castle, Magna Charta Surety, 1215.
Related to William D'Aubigny AR:(149-26)?
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WILLIAM4 D'AUBIGNY, LORD OF BELVOIR of Belvoir, d. in 1242; m. ISABEL, b. in 1233[4], d. after 1285[4].

4. WILLIAM⁴ D'AUBIGNY, LORD OF BELVOIR (William³, William II², William¹) of Belvoir, son of (3) William³, Lord of Belvoir and Margery (de UMFREVILLE), was born between 1205 and 1237, and died after 1264^[4]. He married ISABEL, who was born in 1233^[4], and died after 1285^[4]. ^{[6, 2]}
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ISABEL5 D'AUBIGNY of Belvoir, b. about 1275; d. on 15 June 1301; m. before 17 May 1246 (AGJ-5) SIR ROBERT DE ROS, d. on 17 May 1285, son of (AGJ-4) Sir William and (APO-6) Lucy (FITZ PIERS).

5. ISABEL⁵ D'AUBIGNY (William⁴, William³, William II², William¹) of Belvoir, daughter of (4) William⁴, Lord of Belvoir and Isabel, was born about 1275, and died on 15 June 1301^[4]. She married before 17 May 1246, (AGJ-5) SIR ROBERT DE ROS, son of (AGJ-4) Sir William and (APO-6) Lucy (FITZ PIERS), who died on 17 May 1285. ^{[7, 9, 3, 2, 1]}
of Belvoir Castle This individual has alternate parents in the database:
(AMJ-3) William D' and (EL-2) Albreda (BISET) (ALBINI) ALBINI

Children: See (AGJ-5) Sir Robert de ROS