George Douglass Sr. was born on 25 February 1726, in Salisbury Township, Lancaster, Pennsylvania, United States, his father, Andrew Douglass I, was 24 and his mother, Jane Ross, was 23. He married Mary B. Piersol in 1747, in Albemarle, Virginia, British Colonial America. They were the parents of at least 6 sons and 5 daughters. He died on 10 March 1799, in Amity Township, Berks, Pennsylvania, United States, at the age of 73, and was buried in Saint Gabriels Episcopal Church Cemetery, Douglassville, Amity Township, Berks, Pennsylvania, United States.
https://ancestors.familysearch.org/en/LC3V-6TL/george-douglass-sr.-1726-1799