Extended Strong's Hebrew Lexicon (Brown-Driver-Briggs based)
Gomer
Usage: A man living at the time of the Patriarchs, first mentioned at Gen.10.2; son of: Japheth (H3315); brother of: Magog (H4031), Madai (H4074), Javan (H3120), Tubal (H8422), Meshech (H4902) and Tiras (H8494); father of: Ashkenaz (H0813), Riphath (H7384A) and Togarmah (H8425) § Gomer = "complete" 1) the eldest son of Japheth and grandson of Noah; the progenitor of the early Cimmerians and other branches of the Celtic family 2) the unfaithful wife of the prophet Hosea;
Hosea's relationship with her was symbolic of God's relationship with wayward Israel