Geoffroy II de Mayenne 
Geoffroy II's father was Juhel I de Mayenne and his mother was Etienette de Dol. His paternal grandparents were Geoffroy I de Mayenne and Unk de Bretagne. He was an only child. He died in 1059.
Details of Geoffroy II's family with Gervase de Chateau-Gontier
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