Sophia was thus a half - sister of King Eric IV 's daughters , among which were the deceased Queen Ingeborg of Norway , mother of King Eric II of Norway .
Head entity: eric ii of norway Q314450 27 28 29 30
Tail entity: queen ingeborg of norway Q287511 19 20 21 22
Relation (head \u2192 tail): P25
Inverse relation (tail \u2192 head): P40