MacAlpine Muted Tartan Heavyweight 16ozModern MacAlpine Heavy weight Tartan. The Clan Alpine is often referred to as "Siol Ailpein", which was the name used to describe several clans that claimed Royal descent. This comprised those of the MacGregors, MacNabs, Grants, and MacQuarrie's. King Alpine was executed following the defeat of the Picts in 834, was believed to be the ancestral ancestor of the MacAlpine clans. In reality, the name Alpine is an old name in Scottish history. The story