Sibaud I De was born in 1043. Sibaud I De's father was Sibaud De Briancon. His paternal grandfather was Hugues De Briancon and his paternal grandmother is Marie De Bugeu. He was an only child. He died at the age of 53 in 1096.
General Notes
SOURCES: "Ancestors/Descendants of Gonnor de Crepon" http://www.geneastar.org and "Stimpson Family" Cory Stimpson cbstimpson@@hotmail.com.