Mark Robertson [Edit] By Sticky Facts Editorial StaffMark Robertson biography, ethnicity, religion, interesting facts, favorites, family, updates, childhood facts, information and more:Mark Robertson date of birth:July 20, 1970How old is Mark Robertson?56What is Mark Robertson nationality?AmericanWhat is Mark Robertson's occupation?Musician Tags: americanbirth day 20birth month julybirth year 1970musician Suggested Posts Marilyn Monroe Facts Kim Kardashian West Facts Ed Sheeran Facts Michael Jackson Facts Ariana Grande Facts Kit Harington Facts Anna Nicole Smith Facts Robert Downey Jr. Facts