In early 1474 , he married Princess Mary , Countess of Arran , daughter of King James II and widow of Thomas Boyd , 1st Earl of Arran .
Head entity: princess mary, countess of arran Q4652 6 7 8 9 10 11
Tail entity: king james ii Q272864 15 16 17
Relation (head \u2192 tail): P22
Inverse relation (tail \u2192 head): P40