by old romantical-looking genealogies as mother of a Duke's daughter Cecilia Knutsdotter (by necessity born near 1208 at earliest), whose parentage however is fully shrouded in mists of history. References Literature Gillingstam, Hans. "Knut Eriksson", Svenskt biografiskt lexikon, https://sok.riksarkivet.se/Sbl/Presentation.aspx?id=11661 Harrison, Dick, Sveriges historia 600-1350. Stockholm: Norstedts, 2009. Lagerqvist Lars O., Åberg Nils. Kings and Rulers of Sweden. Vincent Publications, 2002 (). Larsson, Inger. Svenska medeltidsbrev; framväxten av ett offentligt skriftspråk. Stockholm: Norstedts (). Larsson, Mats G., Götarnas riken; Upptäcktsfärder till Sveriges enande. Stockholm: Atlantis, 2002. Liljegren, Bengt. Rulers of Sweden. Historiska Media, 2004 (). Sundberg, Ulf, Medeltidens svenska krig. Stockholm: Hjalmarson & Högberg, 1999 (). External links 12th-century Swedish monarchs Rulers of Finland House of Eric 1190s deaths Year of birth uncertain Year of death uncertain 12th-century births Burials at Varnhem Abbey Sons of kings