I am familiar with BF Fackenthal's work because I am researching the Erwins of Bucks County, and I guess your famly is somehow related beause a ton of work has his name on it. I have looked through his typed book at the Bucks County Historical Society. Is there a piblished copy? Do you know if it is possible to get a copy of it? There is so much info in it, I could copy almost the entire thing.
If you have a gedcom of your family, especially the Erwins, I would love to see it. My ancester is John Erwin of Southampton (b. 1770) m. Susan Tomlinson (b. 1775). According to the History of Bucks Conty, he was kin to Hugh Erwin and Col Arthur Erwin (possibly Arthur's brother's William, Hugh or John's son), but of course, I have no proof. In BF's book, he has several letters from people looking for info about my John, and info about Arthur and his family. I would appreciate any info (my brick wall!). Thanks.
Marybeth Erwin Hegel