Queen Silvia of Sweden ( née Silvia Renate Sommerlath ; born 23 December 1943 in Heidelberg ) is the spouse of King Carl XVI Gustaf and mother of the heir apparent to the throne , Crown Princess Victoria .
Queen Silvia of Sweden ( born Silvia Renate Sommerlath ) ( born 23 December 1943 in Munich , Germany ) and of half German , half Brazilian descent is the Queen consort of King Carl XVI Gustaf , Sweden 's monarch , and the mother of the heir apparent to the throne , Crown Princess Victoria .