Mike - My story has 4 brothers coming from Germany/Switzerland in the 1740's - my Andrew(1720-3/1800) and his brothers Christopher, William, and Nicholas. I have no information on William and Nicholas and limited information on Christopher. Christopher did have a son Peter. Andrew had 13 children including a Peter and a John. All in Frederick County, MD. Now, Andrew's father was Franz Ludwig 7/29/1675-1720, grandfather was David 8/17/1634-1696, then Beat Ludwig 9/18/1580-1630, then another David 1550-1599, then Jacob 1517-1576. I have many Davids and Daniels, but no Aaron. Do you have any dates or perhaps spouses names?