Maria was the eldest of three children born to Lazar Branković , son of the Despot of Serbia Đurađ Branković , and his wife , Helena Palaiologina .
Head entity: lazar branković Q222373 9 10
Tail entity: đurađ branković Q342130 18 19
Relation (head \u2192 tail): P40
Inverse relation (tail \u2192 head): P22