Kateřina Stradová also known as Anna Marie Stradová and Catherina Strada (c. 1568-1629), was the mistress of Rudolf II, Holy Roman Emperor, with whom she had six children.
She became the mistress of Rudolf II at about the age of fifteen.
They had six children, but only their eldest son is well attested in historical records.
She was given the title of countess and is described as bright and attentive, educated in Vienna, and was said to have fine and gracious features.
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