First , he married in Stuttgart 29 January 1441 to Margaret of Cleves , daughter of Duke Adolf I of Cleves and Mary of Burgundy .
Head entity: margaret of cleves Q78401 10 11 12
Tail entity: mary of burgundy Q3847614 22 23 24
Relation (head \u2192 tail): P25
Inverse relation (tail \u2192 head): P40