Ruthard, Count of ARGENGAID 
He had a biological son named Welf (Guelph) I of.
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Children
Welf (Guelph) I of ARGENGAID
Welf (Guelph) I of was born in 0745 in Germany. He died at the age of 55 in 0800.
Ruthard, Count of ARGENGAID Welf (Guelph) I of ARGENGAID