People.com Celebrity Parents Crown Princess Mathilde of Belgium arrives at CPE By Staff Author Published on January 8, 2008 04:25 PM Share Tweet Pin Email Crown Princess Mathilde of Belgium, 34, arrives at CPE, a center for the protection of children, today in Gosselies, Belgium. She and husband Crown Prince Philippe, 47, expect their fourth child in the spring. They are already parents to Princess Elisabeth, 6, Prince Gabriel, 4, and Prince Emmanuel, 2. Photo by Mark Renders/Getty Images.