Complex sentence: She was first depicted in the poem Ofsjónir by Eggert Ólafsson (1752) but her name was mentioned for the first time in the poem Eldgamla Ísafold by Bjarni Thorarensen.
Split into simpler sentences: She was first depicted in the poem Ofsjónir by Eggert Ólafsson (1752). Her name was mentioned for the first time in the poem Eldgamla Ísafold by Bjarni Thorarensen.