For ten points, name this type of god exemplified by Proteus, Nereus and Poseidon.
Baal defeated one of these gods, known as Prince Yam, and another of these gods shook his magic cloak of forgetting between Cuchulainn and his wife Fand. In addition to Manannan mac Lir, deities of this type include the Inuit goddess Sedna and the Norse god Aegir.  In Greek myth, primeval gods of these regions include two prophetic shape-shifters, one of whom was the husband of Doris.  The primary Greek god of this type was married to Amphitrite and became the father of Polyphemus, and had a big problem with Odysseus.  For ten points, name this type of god exemplified by Proteus, Nereus and Poseidon.
Baal defeated one of these gods, known as Prince Yam, and another of these gods shook his magic cloak of forgetting between Cuchulainn and his wife Fand.
{sea} gods (or “ocean gods”; accept “river god” before “Cuchulainn”)