Welf (Guelph) III Duke of Bavaria

Welf (Guelph) III Duke of was born in 0787 in Altdorf, Bavaria.  Welf (Guelph) III Duke of's father was Welf (Guelph) I of Argengaid and his mother was Hermenlindis of Bavaria.  His paternal grandfather was Ruthard Count of Argengaid; his maternal grandfather was Berthold of Bavaria.  He was an only child.  He died at the age of 31 in 0818.

‌Welf (Guelph) III Duke of and Edith Hedwig of were married in a religious ceremony before 0800.  They had a son and a daughter, named Conrad I Count of Aargau & and Judith of.