Paternal descendants of the Y DNA I line tend to be mostly Nordic and Slavic peoples. The Haplogroup I1 traveled from the German plains north toward Scandinavia at the end of the last ice age when a land bridge existed between Denmark and Sweden, thus becoming confined on the peninsula when the North Sea flooded into the Baltic: A British force of some strength was moving in from the west and had halted on the gently rising ground at Lundy