In 1463 he married Margaret of Bavaria , daughter of Albert III , Duke of Bavaria and Anna , Duchess of Brunswick - Grubenhagen ; and sister of John IV , Duke of Bavaria .
Head entity: john iv, duke of bavaria Q62650 28 29 30 31 32 33
Tail entity: albert iii, duke of bavaria Q61796 10 11 12 13 14 15
Relation (head \u2192 tail): P22
Inverse relation (tail \u2192 head): P40