What key details about william of werle can be extracted from the following bio? Bio: william of werle -lrb- before 1393 or 1394 -- 8 september 1436 -rrb- , was co-regent of werle from 1418 to 1425 , then the sole ruler from 1425 until his death . after 1426 , he called himself '' prince of the wends '' . he was a son of lorenz of werle-gustrow and his wife matilda of werle-goldberg .
A:
- issue is catherine of werle- mother is matilda of werle-goldberg- spouse is anna of anhalt sophie of pomerania- death date is 8 september 1436- father is lorenz of werle- birth date is before 1394- name is william of werle- death place is gustrow