Guermond Ier De Picquigny

Guermond Ier was born about 1080.  Guermond Ier's father was Eustache De Picquigny.  His paternal grandparents were Guermond De Picquigny and Adèle N....  He was an only child.  Guermond Ier is no longer alive.

They had a daughter named Adélaïde.