I can tell you that Sarah was born about 1816. (No exact date) Conrad Swartzlander was born the latter part of 1753 to Johannes Philip Schwartzlander (b. 2-17-1723, d. 1784) and Margaret Angell married approximately 1-2 months after Johannes arrived in America. (November 8, 1752).This marriage was believed to take place sometime in Dec 1752 or Jan. 1753.They had two sons, Conrad and Philip Jr. Conrad had a child named Abraham to his first wife, name unkown, later marrying Elizabeth (Polly) Snow. After moving to Centre Township, Union Co., between 1800 and 1810, then later moving to Armstrong Co., in Sugarcreek Township early in 1829.They had 10 children. Abraham 1780 Conrad Jr. 1806 Samuel 1807 Daughter (unknown)1810 Elizabeth 1811 Henry b. 4-29-1813,d. 8-10-1901 (near Luthersburg, PA)m. 1831 Hannah Ashbaugh(b. 12-24-1812, d. 1-27-1886) they had 9 children. SARAH 1816 John 1820 Charles 1822 Suzanne 1834 Abraham died in Sugarcreek Township bef. 1840 buried in old cemetary German Church, Sugarcreek Township, Armstrong Co, PA.Now replaced with the Mt. Pleasant Lutheran and St. Paul's Reormed Churches near Brady's Bend, PA. My paternal connection to this family is through Henry, this is why I have an exact date for his birth.
If you would like further information, please let me know.Sorry I cannot trace Sarah any further, but maybe it will give you a good base to start your search.