_WILLIAM (GUILLIAME I) OF NORMANDY LONGSWORD, DUKE OF NORMANDY_+
| (0900 - 0942) m 0932
_RICHARD I OF NORMANDY THE FEARLESS, DUKE OF NORMANDY_|
| (0933 - 0996) m 0962 |
| |_SPROTE (ESPRIOTA) (ADELA) OF BRETAGNE ________________________+
| (0911 - ....) m 0932
_ GEOFFREY COUNT OF EU AND BRIONNE_|
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| | _HERBASTUS DE CREPON __________________________________________
| | | (0911 - ....)
| |_GONNER (GUNILDA) DE CREPON __________________________|
| (0936 - 1031) m 0962 |
| |_ CREPON ______________________________________________________
| (0916 - ....)
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|-- GILBERT CRISPIN COUNT OF BRIONNE
| (.... - 1040)
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