gen. Grendles GRENDEL, a monster destroyed by Beowulf :-- Grendel mǽre mearcstapa, se ðe móras heóld, fen and fæsten Grendel the great traverser of the march, that ruled [held] the moors, the fen and fastness, Beo. Th. 205-208; B. 102-104. [Grendel] reste genam þrítig þegna: gewát to hám mid ðære wælfylle [Grendel] took thirty thanes in their rest: departed to his home with the slaughtered corpses, 249-250; B. 122-125. Grendles módor Grendle's mother, Beo. Th. 3078-3085; B. 1537-1540: 3139-3141; B. 1567-1568. grendel