Tiras

Tiras the last of Japheth sons also a Grandson to Noah listed in the bible

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

1Ch 1:5  The sons of Japheth; Gomer, and Magog, and Madai, and Javan, and Tubal, and Meshech, and Tiras.