| b 1015, Avranches, Normandy, , France | Rollo Thurstan Brico_Or_Bigod | d 1071, | Ansfred I, Rollosson | Gerlotte |
| Ansfred II Onfror Goz | b 0935 | Godfrey (Ginbert), Count Beulac | ||
| | b 0970 | Helloe, Countess Of Beulac | |||
| Toustien Le Goz | b 0937 | |||
| |b 1000 | | | |||
| | | ||||
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| Robert Bigod | ||||
| |Mrs. Robert Bigot | |m 1034 | |||
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| Judith De Montanolier | ||||
| b 1004 | | | |||
| 1 | < | Robert or Roger Bigod |