The known survivors are: Aegir, Vidar, Vali, Hoenir, Vili, Magni, Modi, Hermóðr, Forseti and Ullr.
Though most of the goddesses survive, (Frigg, Freya, Sif, Thrud, Idun, Saga, Eir, Gefjun, Fulla, Sjofn, Lofn, Var, Vor, Syn and Hlin).
Sursa wikipedia https://simple.wikipedia.org/wiki/Ragnar%C3%B6k