The 1850 Federal Census for Martic Township, Lancaster Co., PA page 132A, dated Sept 23, 1850 records John (34 - PA) and Catherine (45 - PA) Heeps with children William (13), Mary Jane (11), Ann Jaline (9), Sarah Ann (6), John (3), Henry (2), and James (1). Nearby is Rosanna Gallen (75 - Ireland) who is possibly Catherine's mother. There are othe Gallen families listed on this page of the census.
John married Catharine Galen. (Catharine Galen was born circa 1810 in Pennsylvania, died on 23 Dec 1866 in Martic Townhip, Lancaster Co., PA and was buried in Mt. Nebo Presbyterian Cemetery, Lancaster Co., PA ... aka Clarks Family Burying Ground.)
John next married Jane. (Jane died in Aug 1835 in Lancaster Co., PA and was buried in Mt. Nebo Presbyterian Cemetery, Lancaster Co., PA ... aka Clarks Family Burying Ground.)