Signe Hammarsten-Jansson Hammarsten-Jansson designed over 200 stamps. The couple had three children in total: Tove Jansson, Lars Jansson and Per Olov Jansson. Born to artistic parents, the children grew up in a Bohemian lifestyle, and all became artists in their own right. Tove became a writer and painter and would gain particular fame for her "Moomin" series. Lars became a cartoonist, ultimately becoming responsible for the "Moomin" comic strips as well as a later animated version. Per Olov became a photographer and collaborated with Tove on a few books. The children were directly influenced by their mother's artistic sensibilities and Tove in
Tove Jansson captured on several hours of film, shot by Pietilä. Several documentaries have been made of this footage, the latest being "Haru, yksinäinen saari" ("Haru, the lonely island") (1998) and "Tove ja Tooti Euroopassa" ("Tove and Tooti in Europe") (2004). Jansson died on 27 June 2001 at the age of 86 from cancer and is buried with her parents and younger brother Lars. She is buried in the Hietaniemi Cemetery in Helsinki. Tove Jansson worked as an illustrator and cartoonist for the Swedish-language satirical magazine "Garm" from the 1930s to 1953. One of her political cartoons achieved a brief international fame: