
1) Atlantis
Found on
https://www.crosswordclues.com/clue/mneseus

In Greek mythology, Mneseus is the twin brother of Autochthon. The twins were the elder of the third pair of twins who appeared in one Plato`s accounts of Atlantis, Critias. He is believed to be the son of Poseidon and Cleito. He is considered to be `one of the rulers of divers islands in the open sea.` ...
Found on
http://en.wikipedia.org/wiki/Mneseus
No exact match found.