Hi Calvin:I have Johann Heinrich Hassenplug was born January 20 1756 in Hoizburg, Germany, and died Dec. 1, 1827 in West Buffalo Twp., Union Co., Pa. He Married Anna Maria Seebold April 6 1790 in Lebanon Co., Pa. They had 14 children I have some info on 5 of those children But nothing on your David. Would love to have any info on him you have. Most of my info. came from William Hasenplaugh He has a nice web page with lots of info at.
If you have any other questions I will do my best to help. Let me know if you find the web page helpful.Kay Sly-Asbury Mo.