Leon Sinden [Edit] By Sticky Facts Editorial StaffLeon Sinden biography, ethnicity, religion, interesting facts, favorites, family, updates, childhood facts, information and more:Leon Sinden date of birth:July 20, 1927How old is Leon Sinden?99 Tags: birth day 20birth month julybirth year 1927 Suggested Posts Robin Williams Facts Kanye West Facts Drake Facts Justin Timberlake Facts Angelina Jolie Facts Robert Downey Jr. Facts Emma Watson Facts Stephen Hawking Facts