Count Welf of Argengau & Linzgau
Welf was born in Altdorf, Mittelfranken, Bavaria, Germany.  He died on April 23rd, 0861.

 von Buchau
von Buchau was born in Buchau, Germany.

 Adelheid von Argengau
Adelheid was born in 0850.  She died at the age of 51 on November 10th, 0901.