Four Families: A Tetralogy, Synopsis of 481 Immigrants to America, With Some of Their Descendants and European AncestorsThis book is a guide to four books about the genealogy of four American families. It is the synopsis of a tetralogy. The ancestors of these families emigrated from Northern Europe to North America, coming by ship from many countries, over a span of two and a half centuries. Some of the immigrants in these families were related in Europe, and many of their descendants intermarried in America, so they form a complex web of social relationships. A few