Thirza Van Giessen [Edit] By Sticky Facts Editorial StaffThirza Van Giessen biography, ethnicity, religion, interesting facts, favorites, family, updates, childhood facts, information and more:Thirza Van Giessen date of birth:April 7, 1986How old is Thirza Van Giessen?40What is Thirza Van Giessen nationality?Dutch Tags: birth day 7birth month aprilbirth year 1986dutch Suggested Posts Leonardo DiCaprio Facts Amy Adams Facts Madonna Facts Robert Downey Jr. Facts Jennifer Lopez Facts Mike Tyson Facts Selena Gomez Facts Ed Sheeran Facts