Seidel Louise D. (DeMeyer) of Hopkinton, former longtime Lexington resident, March 22, 2018. Beloved wife of the late John C. Seidel. Loving mother of Kathleen S. Kinson and her husband, Jon, of Franklin. Cherished grandmother of Jaclyn and Hannah Kinson. Dear aunt of Christine Duncan, Robert DeMeyer Jr., Janette Bolger, Karen Malone, Robert and Steven Seidel. Sister of the late Robert DeMeyer and his late wife Irene. Sister-in-law of David Seidel and his former wife, Gloria Seidel. Also survived by many grandnieces and grandnephews. Funeral services will be held at Hancock Church, 1912 Massachusetts Ave., Lexington, on Friday, April 6, at 1 p.m. Relatives and friends are kindly invited to attend. In lieu of flowers, donations in her memory may be made to the Dana Farber Institute - Milford, P.O. Box 849168, Boston, MA 02284 or the Salmon VNA & Hospice, 37 Birch St., Milford, MA 01757. Interment Westview Cemetery, Lexington