Frederick Achors b. abt. 1740 and Mary Greathouse b. abt. 1754 married abt. 1770 in Bedford County, Pennsylvania. They had three daughters; Elizabeth b. abt. 1772 married John Cottrell b. abt.1763, Catherine b. abt. 1775 married Thomas Cottrell b. abt. 1762, and Barbara b. abt. 1773 married John MmMullough b. ?. I am looking for information on Frederick's father, mother, and siblings. I would appreciate any help on this.