*Ulrich IV Graf von Argengau und Linzgau
born about 0850
died after 0893

father:
*Ulrich III Graf von Argengau und Linzgau
born 0818
died 0885

mother:
*Berta wife of Ulrich III Graf von Argengau und Linzgau
(end of information)

siblings:
unknown

spouse:
unknown

children:
*Ulrich V Graf von Argengau
living in 0909

biographical and/or anecdotal:

notes or source:
LDS
ancestry.com