Benjamin Castle (or Cassell) Lewis was born April 13, 1808 in Harrison, Kentucky. His parents were Peter Lewis and Rebecca Cassell. He married Harriett Jackson, daughter of Henry Jackson and Lydia (Thompson?) November 18, 1830 in Harrison, Kentucky. They had ten children. Benjamin died January 26, 1864 in Knox, Missouri. Harriet died April 6, 1888 in Knox, Missouri.

Robert Jackson (ca. 1620-1684) was born in England or Scotland. In 1643, he immigrated to Boston, Mass. and later settled at Stamford, Conn. In 1644, he married Agnes Washburn (1624?-1680?) and they migrated to Hempstead, L.I. They had four children. Descendants have scattered throughout the United States.