Tom,
I have John Allen in my GEDCOM file which is on Ancestry.com.He is the son of Lawrence Nolf and Lawrence Nolf is the son of Casper Nolf,Sr.Casper is the son of our immigrant ancestor Laurentius Nolff who came to the U.S. on the" Charming Nancy" and was enumerated at Philadelphia on 8 Oct 1737.
You can follow the line if you will go to Ancestry.com and put in John Allen Nolf.
If I can help you with anything on this please let me know.You can email me direct if you wish at <slsmn1327@aol.com.>

Best Regards,Bill Nulph
Houston,Texas