What precisely do you wish to learn about Lawrence? I am a direct descendent through his son Lawrence II and his son James and thus the whole family line in Lightstreet, Pa. I can give you some book references and other data about descendents and some information on Upper Mt. Bethel. The real puzzle all Marr researchers have is Lawrence's parentage, although there is a report of a family bible mentioning that he was the son of an H. Marr and Rachael Goodenough. Questions about his birth date and time and method of arrival in Hunterdon Tw. N.J. are open.