His father , grandfather ( Mervyn ) , and great - grandfather ( David ) were all managers of Minderoo Station , which David had established in 1878 with his brothers , Alexander and John .
Head entity: mervyn Q28727440 5
Tail entity: david Q5233752 13 23
Relation (head \u2192 tail): P22
Inverse relation (tail \u2192 head): P40