ROSS, Marvin William – On Wednesday, May 24, 2017 at Southlake Regional Hospital. Marvin William Ross, beloved husband of Harriet. Loving father and father-in-law of Barry R. and Donna Ross, and Karyn and Jerry Groyeski, and Jeffrey Ross and Natasha Cabrera. Dear brother and brother-in-law of Corinne and Herbert Zagerman of Ottawa, Gloria and the late Bert Krugel of Ottawa, Harriette and the late Irwin Borins, and Sheryl and the late Norman Levine. Cherished Poppa of Jeremy and Maya, Alanna and Adam, Melanie, Shawn, Jordanna, Leanna, Keanu, and Dakota, and Great Poppa of Ethan. Also missed by his sister-in-law, Ruth Zener. Memorial donations may be made to Parkinsons Society Canada at 416-227-9700, or Baycrest Foundation at 416-785-2875 or