Karl Leander Pettersson was born on 16 Jun 1891 in Fölene as the fourth child of Svante Pettersson and Emma Mathilda Blom. He had eleven siblings, namely: Albin, Karl Ernst, Johan Arvid, John Arvid, Karl Leander Nathanael, Anna Emilia, Gustaf Adolf, Hulda* Viktoria Ingeborg, Elon Gunnar, Elsa Sofia, and Ester Sigrid Maria. He died on 23 Apr 1892 in Eggvena, Herrljunga, Västergötland, Sweden.