Guelph UNKNOWN

Guelph was born in 0715.  Guelph's father was Ruthard UNKNOWN and his mother was Hermenlindis of Argengau.  His paternal grandparents were Richard UNKNOWN and Ermengarde UNKNOWN; his maternal grandfather was Berthold UNKNOWN.  He was an only child.  He died before 0776.

He had a biological son named Ruthardus (Radvald).