Isaac Grishaw Sr. (1789-1851) is the 7th known child of Isaac Spice Grishaw (1755-1835) and Letticia Grishaw (1753-1840). Isaac Spice Grishaw is believed to have been born in Scotland (actually may have been Virginia) and migrated to Virginia where in 1773 he married Letticia Unkonwn (born in Virginia). Isaac and Letticia migrated westward through the Cumberland Gap and settled in Pulaski co., Kentucky along the Buck Creek in the northwest part of the county btw 1815-1820. It is believed Isaac Spice Grishaw and his wife, Letticia, are buried on the land that was their farm, but the burial sites have not been located. Two of their children ( Isaac Grishaw Sr, and Hannah Grishaw Acton (1785-1826) (wife of Aaron Acton (1795-1847)) migrated to Ripley co., Indiana between 1815-1820. Isaac Grishaw Sr and his sister, Hannah Grishaw Acton (with her husband Aaron) settled in Shelby twp., Ripley co., Indiana. Aaron Acton and Hannah Grishaw Acton are believed to have been buried on their farm, however, the actual site has not been determined. What was once Aaron and Hannah's farmland is now part of the Jefferson Proving Grounds in Jefferson co., Indiana.