John was born about 1730 in Dundonald, Ayrshire, Scotland, the son of John Black and Marion Smith.
He died about 1797. The place is not known.
His wife was Mary Frew. They were married, but the date and place have not been found. Their only known child was Ephraim (c1765-c1839).
!Source: http://www.genesreunited.com/ Nick Graham.