This is going to take digging deeper and you probably won't find the answer online.
Military Service: 14 Oct 1781, Haycock, Bucks, PA
Military Regiment: Captain Manus Yosts Company
Source: U. S. Rosters of the Revolutionary War Soldiers and Sailors 1775-1783
i've heard that treasures are sometimes found in military records. You can order his from the U. S. Archives, archives.gov.
The David Library of the American Revolution, www.dlar.org
is located in Bucks County and is devoted to American history circa 1750-1800.
Another possible resource is the Haycock Historical Society, www.haycockhistoricalsociety.org/
Look for his initial request for citizenship. That will contain where he was born, parents, etc.
Another clue is on his www.findagrave.com/
memorial which states his first name was Henrich. Successful Searching!