Mark Borst Rubinstein, age 26, a resident of Larchmont, NY, passed away suddenly on June 24. 2016. Beloved son of Peter Rubinstein and Sabrina Borst, dear brother of Arianna Rubinstein, and devoted grandson of Doris and Hermann Borst. Mark's generous spirit and sweet nature touched all who knew him. There will be a private interment at Sharon Gardens.