seeking info on family of JOHANN GEORG HACKER b.1812 Bavaria, married to MARY/MARIA nee: HOELLER/HALLER b.1822 Baden -Wurttemburg. They first appear 1860 census in Pike Co Pa as JOHN & MARY HOCKER, same for 1870 & 1880. JOHANN's death record from local church dated 1888 indicates his place of birth poss Lindenhart or Lindenhamt which i am informed "Lindenhardt" is now part of Creussen, County of Bayreuth. family name has been further anglicized to Hawker.