Davis Uriah I | Born 1707
Family: DE MAYENNE, Geoffroy / PONTHIEU, Clemence De (F36725)
m. Abt 1140DEMAYENNE, Gautier (1065-1124) 
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DEBEAUGENCY, Alice (1075-1115)
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| BURGUNDY, Alix (Helia) ,Countess of Burgandy (1080-1141)
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DE TALVAISE, Adelia (1120-1174)  |
| TALEVAS, John (1121- ) |
| TALVAS, Count Guy II of Ponthieu (1119- ) |
| TALVAS, Adelia (1120-1174) |
| TALVAS, Countess Adela (Ela) de Salisbury (1120-1174) |
| ALENÇON, John II of (1122-1191) |
| DE MAYENNE, Geoffroy (1115-1197)
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| PONTHIEU, Clemence De (1118-1189)
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