married his second wife, Margareta Leijonhufvud (1514–1551). Their children were: John III (Johan III) (1537–1592), Duke of Finland Katarina (1539–1610)
Rostock (allegedly) Martha Eriksdotter married Marshal Nils Sixtensson (Sparre) Ingeborg Eriksdotter (died 1254), married to Birger Jarl, regent of Sweden
Charles had a relationship with Josephine Sparre, maid of honor to Louise, which caused a scandal. Sparre was described as so domineering that the Crown
Louise of Prussia in 1846. Josephine had separated Charles and Sparre by expelling Sparre from court in 1848, though she did not manage to save the marriage
Carl Gustaf Tessin, his spouse Ulla Tessin and his wife's niece Charlotta Sparre, who was appointed her maid of honor. In Swedish Pomerania, the entourage