Kateřina Stradová also known as Anna Marie Stradová and Catherina Strada (1579-1629), was the mistress of Rudolf II, Holy Roman Emperor, with whom she had six children.
Kateřina Stradová was the daughter of the painter Ottavio Strada the Elder and the sister of the painter Ottavio Strada the Younger. She became the mistress of Rudolf II at about the age of fifteen. She was given the title of countess. They had six children, but only their eldest son is more known. She was given the title of countess and are described as bright and attentive, educated in Vienna, and was said to have fine and gracious features.
She had six children with Rudolf:
- Don Julius Caesar d'Austria
- Matyáš d’Austria
- Carlos d’Austria
- Karolina d’Austria
- Dorothea d’Austria
- Alžběta d’Austria