In 1208 , Demetrius married Komnena Nemanjić , the daughter of Serbian Grand Prince , later King Stefan Nemanjić ( r. 1196–1228 ) .
Head entity: komnena nemanjić Q6428436 5 6
Tail entity: stefan nemanjić Q24445 17 18
Relation (head \u2192 tail): P22
Inverse relation (tail \u2192 head): P40