Willibirg was the daughter of Burkhard XII von Retz and Jutta von Anhalt-Zerbst. The date and place of her birth have not been found.
Her husband was Bernhard von Pettau. They were married, but the date and place have not been found. Their two known children were Anna (?-1465) and Agnes (?-1451).
|
Burkhard XII von Retz |
Berthold III von Retz |
| ||||||
| | ||||||||
| | | |||||||
| | ||||||||
|
Jutta von Anhalt-Zerbst |
Albrecht II von Anhalt-Zerbst |
Albrecht I von Anhalt-Zerbst |
+ | |||||
|
Agnes von Brandenburg-Stendal |
+ | |||||||
|
Beatrix von Sachsen-Wittenberg |
Rudolf I von Sachsen-Wittenberg |
+ | ||||||
|
Jutta von Brandenburg |
+ |