Kleinstein February 14, 2019 at age 81. Predeceased by his parents, Gertrude & Carl Kleinstein & sister, Sheila Kleinstein. He is survived by his devoted twin-sister, Sherris Kleinstein; beloved cousins and friends. Mark worked in sales and was a proud Navy Veteran. Graveside Services will be held on SUNDAY, February 24, 2019 at 11 AM in Stone Road Cemetery. Click here for directions to the cemetery. The family will receive friends following the service on Sunday & Monday from 2-4 & 6-8 PM at 41 Hillhurst Lane in Irondequoit. Click here for directions to the house of mourning. Donations may be made to Vietnam Veterans of America, PO Box 12580, Rochester, New York 14612 (Click here to go to their website) or Congregation Beth Hamedresh/Beth Israel, 1369 East Avenue, Rochester, New York 14610 (Click here to go to their website) in Sherman’s memory.