Leucothea

In the more familiar variant, Ino, the daughter of Cadmus, sister of Semele, and queen of Athamas, became a goddess after Hera drove her insane as a punishment for caring for the newborn Dionysus.

In the version sited at Rhodes, a much earlier mythic level is reflected in the genealogy: There, a nymph or goddess named Halia ("salty")[a] plunged into the sea and became Leucothea.

[1][2][3] In the Odyssey,[4] Leucothea makes a dramatic appearance and tells the shipwrecked Odysseus to discard his cloak and raft, and offers him a veil[b] to wind round himself, to save his life and reach land.

It is possible that Leucothea is the "Leucothoe" that Hyginus makes the mother of Thersanon by Helios, although he could be referring to another woman by the same name.

[5] Meanwhile,To re-salute the world with sacred light,Leucothea waked;…[6]As the sea-gull Κάδμου θυγάτηρ said to OdysseusKADMOU THUGATER"get rid of parap[h]ernalia"

Leukothea Goddesses of Greece and Rome
Leukothea, Goddess of Sailors