In the North of Iceland we stayed in an old farm house, and our host could trace his ancestry to the first Vikings that set foot on Iceland in a very extensive genealogy that went something like this: Olaf came in long boat, met Olga who then begot Olafson who became a fisherman. In turn Olafson met Olga’s cousin and the next 15 generations of Olga’s and Olaf’s caught herrings and pickled them in brine……