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William I de Mandeville
Abt 1062 - 1116 (~ 54 years)
Generation: 1
1. William I de Mandeville was born Abt 1062, Magneville, Manche, France (son of Geoffrey I de Mandeville and Athelaise); died May 1116, Pleshey, Essex, England. William married Margaret de Rye. Margaret (daughter of Eudes de Rye and Rohese de Clare) was born Abt 1076, Rycote, Oxfordshire, England. [Group Sheet]
Children:- Beatrice de Mandeville was born Abt 1102, Pleshey, Essex, England; died 19 Apr 1197, Rickling, Essex, England.
2. Geoffrey I de Mandeville was born Abt 1036, Magneville, Manche, France; died 1100, Pleshey, Essex, England. Geoffrey married Athelaise. Athelaise was born Abt 1042, Magneville, Manche, France. [Group Sheet]
3. Athelaise was born Abt 1042, Magneville, Manche, France. Children:
- 1. William I de Mandeville was born Abt 1062, Magneville, Manche, France; died May 1116, Pleshey, Essex, England.