Hrolf NEFJA (Nefia) 
He had a biological daughter named Ragnhild (Hiltrude).
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Children
Ragnhild (Hiltrude) HROLFSDATTER
Ragnhild (Hiltrude) was born about 0848 in orkney, Orkney Islands, Scotland. She died about 0888 in maer, Nord-Trondelag, Norway.