The poem ends with Halfdan 's son Olaf Geirstad - Alf and grandson Ragnvald Heidumhære .
Head entity: ragnvald heidumhære Q2561593 13 14
Tail entity: olaf geirstad-alf Q2560871 7 8 9 10
Relation (head \u2192 tail): P22
Inverse relation (tail \u2192 head): P40