*Walther? von Filsgau

father:
*Siegfried (Sizzo)

mother:
unknown

siblings:
unknown

spouse:
unknown

children:
*Friederich von Büren Pfalzgraf im Schwaben born about 0960 died 1027
*Bertha von Büren

biographical and/or anecdotal:

notes or source:
LDS
ancestry.com