Hannemor Gram was a maternal granddaughter of the renowned actress Johanne Dybwad; her given name was discarded in favor of the pet name "Hannemor", in order for other people to distinguish her from her grandmother.
In 1939, she married the barrister Per Gram, to whom she bore four children, among them the politician Kari Garmann.In 1936 she finished seventh in the alpine skiing combined event, representing the club IL Heming.