Book of Jasher 90:29
And during his reign he brought forth an army, and he went and fought against the inhabitants of Britannia and Kernania, the children of Elisha son of Javan, and he prevailed over them and made them tributary.
And during his reign he brought forth an army, and he went and fought against the inhabitants of Britannia and Kernania, the children of Elisha son of Javan, and he prevailed over them and made them tributary.