Gomer

Gomer eldest son of Japheth

Gen 10:2  The sons of Japheth; Gomer, and Magog, and Madai, and Javan, and Tubal, and Meshech, and Tiras. 

Gomer has three sons listed in the bible

Gen 10:3  And the sons of Gomer; Ashkenaz, and Riphath, and Togarmah.

Gomer is listed as the chief of the land of Magog

Eze 38:6  Gomer, and all his bands; the house of Togarmah of the north quarters, and all his bands: and many people with thee.