Sire Gui I DE MONTLHERI Guy

Gui I DE MONTLHERI was born in 1009.  Gui I DE MONTLHERI's father was Thribaut DE MONTLHERI and his mother was DE MONTLHERI.  His paternal grandparents were Bouchard II "Le Barbu" DE MONTMORENCY and Helvide BASSET; his maternal grandfather was Tribault DE MONTLHERI.  He was an only child.  He died at the age of 86 in 1095 in Lonpont as a monk.

They had two sons and two daughters, named Gui II "Le Rouge" DE MONTLHERI, Milo II "The Grand", Isabel and Melisende Cherevoisine.