Gerbert I De CASTELNAU

Gerbert I De was born in 1085.  Gerbert I De's father was Hugues II De CASTELNAU and his mother was Alpasie UNKNOWN.  His paternal grandparents were Hugues I De CASTELNAU and Matfrede UNKNOWN.  He was an only child.  He died at the age of 73 in 1158.

He had a biological son and a biological daughter, named Gerbert II De and Almodis De.