*Ulrich I Graf von Argenau
born about 0763 Rhineland, Prussia
died after 0808

father:
*Gerold I (Childebrand) Count of Vinzgau
born 0710? Aachen, Rhineland, Prussia
died after 0779

mother:
*Imma Duchess of Swabia
born about 0736 Aachen, Rhineland, Prussia
died 0798

siblings:
*Hildegarde Countess of Swabia (Vinzgau) Empress of the Holy Roman Empire
born about 0757 Aachen, Rhineland, Prussia
died 30 April 0783 Thionville, Austrasia
buried Abbaye de St. Arnoul, Metz, Austrasia
*Hadrian de Allemania von Wormsgau Count of Orleans born about 0760 died 15 February 0823/24

spouse:
unknown

children:
*Ulrich II Graf von Argengau und Linzgau born 0788 died 0830
*Roricon Count of Maine born about 0804 Maine, Normandy, France
Vulgrim Count of Agen, Angouleme and Perigord born 0815 died 3 May 0886

biographical and/or anecdotal:

notes or source:
ancestry.com