John Leslie Sly devoted father of three sons and loving husband of Pauline Sly passed away peacefully at his home on January 2, 2020 with family by his side. John is survived by two children Michael and Jonathan, daughters-in-law Belis and Brigitte, and grandchildren Fiona, Keira and Derin. He lost his youngest son, Anthony on July 31, 2012. John also has a half-brother, David Sly living in London, England, where John was born on September 28, 1929. John met Pauline in Derby, England and they were married in 1957. They eventually immigrated to the United States via the steam ship Liberte in 1959 and settled in Hingham, Massachusetts a suburb of Boston. While on the East Coast, John worked in media sales companies and also co-owned an art gallery in Hingham, the Bare Cove Gallery which Pauline helped to manage. John was a painter in his downtime and had a very good eye for local artistic talent displayed in the gallery. Sons, Michael and Jonathan were born in Massachusetts and the family enjoyed their time there until relocating to Los Altos, California in 1970.