Ismail 's father Shaykh Haydar and his grandfather Shaykh Junayd had both been killed in battle by the rulers of Shirvan , in 1488 and 1460 respectively .
Head entity: shaykh haydar Q3119243 3 4
Tail entity: ismail Q214559 0
Relation (head \u2192 tail): P40
Inverse relation (tail \u2192 head): P22