Brita Sophia De La Gardie was born to the politician count Magnus Julius De la Gardie and the salonist and amateur politician Hedvig Catharina Lilje. She was the sister-in-law to Eva Ekeblad. During the 1720s and 1730s, amateur theatre was immensely popular in Stockholm and at the royal court. At the time, only foreign theatre companies performed professionally at the national stage of the Bollhuset Theatre. In 1732, Dom Japhlet d'Arménie av Scarron was performed at the stage of Bollhuset by the noble amateur troupe of Count Carl Gustaf Tessin and Countess Ulla Tessin, who also participated themselves. The most famous one of these amateur troupe was the troupe commonly known as Greve de la Gardies komedianter (The Comedians of Count de la Gardie), active in 1734-1737, which was managed by