Erchanger Of Alsace Count

Erchanger was born in 0795 in Altorf, , , Swabia.  Erchanger's father was Welf I Of Bavaria Duke and his mother is Hedwig ().  His paternal grandfather was Welf Of Altdorf Count and his paternal grandmother is Eigilwich (). He had a brother and three sisters, named Raoul, Judith, Emma and ().  He died at the age of 75 in 0870.  He was buried in 0870.

They had a daughter named Engelberge.