Princess Märtha Louise is a member of the Norwegian royal family, born on September 22, 1971. She is the daughter of King Harald V of Norway and Queen Sonja. Märtha Louise is known for her work in alternative medicine and has authored several books. In addition to her royal duties, she has pursued a career in the arts, including theater and dance. Märtha Louise is also recognized for her philanthropic efforts, particularly in supporting children with disabilities. She has three children from her marriage to Ari Behn, who passed away in 2019.