WILLIAMS, Ruth M. (Dedlow) Of Lexington, MA, March 11, 2011. Wife of Arnold W. Williams and former wife of the late Jack L. Mitchell. Mother of Joan (Mitchell) Dyer and her husband Wayne of Bedford, MA, and Janet (Mitchell) Weiser and her husband Michael of Groton, MA. Ruth is also survived by 4 grandchildren, Jason Dyer, Amy Dyer, Jennifer Weiser, and David Weiser. Graduate of Wellesley College, Class of 1951. A Funeral Service will be held Wednesday March 16 at Hancock Church, 1912 Mass. Ave., Lexington at 2 pm. Relatives and friends are kindly invited to attend. Visiting hours at the Douglass Funeral Home, 51 Worthen Rd., LEXINGTON, Tuesday from 4pm to 8pm. Donations in her memory may be made to Wellesley College, Scholarship Fund, 106 Central St. Wellesley, MA 02482. Private interment Westview Cemetery, Lexington.