Firstly , he married in 1537 Marie of Brandenburg - Kulmbach ( 1519 – 1567 ) , daughter of Casimir , Margrave of Brandenburg - Bayreuth and Susanna of Bavaria .
Head entity: marie of brandenburg-kulmbach Q74649 6 7 8 9 10
Tail entity: susanna of bavaria Q71788 27 28 29
Relation (head \u2192 tail): P25
Inverse relation (tail \u2192 head): P40