Johann Christoph [Edit] By Sticky Facts Editorial StaffJohann Christoph biography, ethnicity, religion, interesting facts, favorites, family, updates, childhood facts, information and more:Johann Christoph date of birth:February 23, 1713How old is Johann Christoph?313 Tags: birth day 23birth month februarybirth year 1713 Suggested Posts Rihanna Facts Jennifer Lawrence Facts Margot Robbie Facts Robin Williams Facts Angelina Jolie Facts Amy Winehouse Facts Jennifer Lopez Facts Michael Jackson Facts