She is the daughter of the late Walther Sommerlath and his Brazilian wife Alice, née de Toledo, also deceased. The Queen has two older brothers: Ralf and Walther Sommerlath. Her third brother, Jörg Sommerlath, passed away in 2006.
The Sommerlath family lived in Sao Paulo, Brazil between 1947 and 1957, where Walther Sommerlath held various positions, including President of the Brazilian subsidiary of Swedish company Uddeholm. The family returned to West Germany in 1957.
After graduating, Silvia Sommerlath worked at the Argentinean Consulate in Munich.
The engagement of King Carl XVI Gustaf and Silvia Renate Sommerlath was announced on 12 March 1976. They were married on 19 June the same year, at Stockholm Cathedral.
Initially the Royal Family lived in an apartment at the Royal Palace of Stockholm. In 1982 they moved to Drottningholm Palace.
She makes regular visits to national and municipal authorities, as well as schools, universities and other educational institutions, in order to gather information.
She frequently participates in anniversary events, openings of conferences and symposia and other official events.
The Queen is a member of the Lutheran Church of Sweden.