Modthryth is a reconstructed name for a character who figures as the queen of King Offa in which Old English epic poem?
Modthryth Modthryth, Thryth ('strength', cf. Old Norse Þrúðr, the daughter of Thor), and Fremu are reconstructed names for a character who figures as the queen of King Offa in "Beowulf".
Tethra In Irish mythology, Tethra of the Fomorians ruled Mag Mell after dying in the Second Battle of Mag Tuiredh. After the battle, his sword, Orna, was taken by Ogma and it then recounted everything it had done.