Both Jan and Jerry have recent immigration roots as well as roots going back to some of the earliest settlers in New England and New Amsterdam in the early 1600s. This carries the lines back to the 1300s or so, so all known immigrant ancestors are included. The file may be unzipped by PKZip or WINZip or any other appropriate utility. A lot of the original information was captured from the LDS IGI and Ancestral File, particularly the data associated with the Remington and Davenport lines. Much of this has been validated by published family histories which contain primary source references, but a lot is yet to be done.
Some information has incomplete source data.
This work is in progress, and future updates will include more citations. In many cases, the specific individuals may have started using farm names as their surnames during the transitioning period between about 1850 and 1938. Earlier generations were taken from previous work that was generated from Swedish clerical survey data. For this reason, living people have generally been excluded altogether.