Hermengarde CAROLINGIANS 
Hermengarde was born about 0750 in Aachen, NorthRhine-Westphalia, Prussia. Hermengarde's father was Gerold I Childebarnd von SWABIA and her mother was Emma (Imma) de ALLEMANIA. She was an only child.
They had a son named Welf I von.
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Children
Welf I von ALTDORF
Welf I von was born in 0778 in Altdorf, Uri Canton, Switzerland. He died in Bavaria, Schwaben, Germany.