Watson, Dorothy Kate, of St. Peters, Missouri, died on Friday, May 3, 2013 at the age of 80. Loving wife of David Howard Watson; beloved daughter of the late Frederick Milton and Ruby Kate Forsyth; devoted mother of Dwight David (Maureen) Watson, Douglas William (Kathy) Watson, and Dean A. (Holly) Watson; Cherished grandmother of Erin, Leigh, Alyse, David (Amanda), Michael (Tammy), Ryan, and Jacob; treasured great-grandmother of Aubry, Avery, and Coby; dear sister of Frederick Eugene Forsyth; dear sister-in-law of Jeanette Sparks. She is preceded in death by her siblings Isaac "Ike" Forsyth, Irene Bechtel, Jack and John Forsyth. In lieu of flowers memorials may be made in honor of Dorothy to The American Cancer Society