Peter Thomas Holl (1706-1776) was born in Germany. A widower, he immigrated to the United States about 1741 with his two sons, Peter and Frans Phillip, settling in Lancaster County, Pennsylvania where he married Margareth Diffenbach in 1750. They moved to Highland County, Virginia in 1765. His son Peter changed the surname to Hull and his sons and their descendants settled in Lewis, Upshur, and Randolph Counties, West Virginia. Descendants also lived elswhere in West Virginia and Virginia.