Here are two possible Progenitors to the Yockeys in America. The first was Johannes Jagi. He came over aboard the Ship PINK JOHN and WILLIAM, Oct 17, 1732 from Rotterdam. The second was Johann Georg Jaky. He came over on the Ship, HARLE, Sept. 1, 1736, also from Rotterdam. The second one seems to match up with dates of Descendants. I do have a small amount of additional information, if wanted. Bob.