Avise "Blance" de Sable 
Avise "Blance" was born about 1035 in Sable, France. Avise "Blance"'s father was Geoffrey de Sable and her mother was Adelais. Her paternal grandfather was Hubert de Maine de Sable. She was an only child. She died before 1067.
They had a son named Robert II.
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