Schlaich, William W. of Ashby, formerly of Lexington, after a courageous battle with cancer, December 30, 2017. Beloved husband of Bethany Schlaich (Magerer). Brother of Susan Nicolopoulos of North Billerica, Cynthia Croughwell of Peabody, and Stephen Schlaich of Dracut. Will is also survived by 1 niece, Christina, by 5 nephews, Jarrett, Connor, Mathew, Joseph, and Cameron, and by many close friends. Funeral from the Douglass Funeral Home, 51 Worthen Rd. Lexington Friday Jan. 5 at 10am followed by a Mass of Christian burial at St. Brigid Church, Lexington at 11am. Relatives and friends are kindly invited to attend. Visiting hours Thursday from 4pm to 8pm. Donations in his memory may be made to the Dana Farber Cancer Institute, 450 Brookline Ave. Boston, MA 02215. Interment Westview Cemetery, Lexington.