He is married to Sophia van Bülow.
They got married on March 21, 1541, he was 38 years old.
Child(ren):
Herr auf Gerswalde, Hauptmann zu Bötzow und Liebenwalde sowie Zehdenick, kurbrandenburgischer Rat
http://gw2.geneanet.org/index.php3?b=jrdus⟨=nl;pz=maximiliane+rosalie+alice+helene+karoline;nz=von+arnim;ocz=0;p=jakob;n=von+arnim
Jacob I van Arnim Heer van Gerswalde | |||||||||||||||||||||||||||||||||||||
1541 | |||||||||||||||||||||||||||||||||||||
Sophia van Bülow |
The data shown has no sources.