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?98 Tags: birth day 20birth month julybirth year 1927 Suggested Posts Aaliyah Facts Justin Bieber Facts Kit Harington Facts Arnold Schwarzenegger Facts Florence Henderson Facts The Weeknd Facts Justin Timberlake Facts Katy Perry Facts