John Stocker Coffin Knowlton, b. 11 Dec 1798 in Hopkinton, Merrimack County, New Hampshire, d. 11 Jun 1871 in Worcester, Worcester County, Massachusetts, son of Daniel Knowlton & Mary Stocker. He married Anna Wheeler Hartwell on October 22, 1829 in Littleton, Middlesex County, Massachusetts.
Julius William Knowlton, b. 28 Nov 1838 in Southbridge, Worcester County, Massachusetts, d. 5 Jan 1921 in Connecticut, son of William Seth Knowlton & Miriam Dresser. He married Jane E. Fairchild on December 11, 1866 in Connecticut.