Welf de Altdorf

Welf was born about 0745.¹   Welf's father was Ruthard Ct de Altdorf and his mother was Hermenlindis.  His paternal grandparents were Richbald Ct de Breisgau and Ermengarde; his maternal grandfather was Berthold.  He was an only child.  He died in 0823.¹