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
Sophia Jansson "Jaana" in 1965. In May 2003, The Finnish Embassy in London arranged for events to surround the recent translation of Tove Jansson's 1972 "Sommarboken", a novel which featured the fictionalized life of the young Sophia on an island. During this event, publishers presented works by Sophia Jansson and Johanna Sinisalo. Jansson was later interviewed in June 2003 by "The Daily Telegraph" where she explained the details surrounding the story presented in "Sommarboken" and the relationship shared between Jansson and her aunt, Tove Jansson. She would write in more detail about this topic in 2006 in the Scandinavian Review, and again