Fædrunga
Bosworth & Toller 盎格鲁-撒克逊古英语词典 - fædrunga
根据古英语词典：
an;
- fædrunga
- m. A paternal relation, any parental relation; cognātus a patre, părens :-- Feóndes fædrunga the fiend's parent [i.e. Grendel's mother], Beo. Th. 4262; B. 2128. [O. H. Ger. fatarungo, m.