He was born in Oslo as a son of Åse Gruda Skard and Sigmund Skard , and through Åse the grandson of Halvdan Koht and Karen Grude Koht .
Head entity: åse gruda skard Q1775491 9 10 11
Tail entity: halvdan koht Q1367562 22 23
Relation (head \u2192 tail): P40
Inverse relation (tail \u2192 head): P22