Catherine of Bohemia (, ; 19 August 1342 – 26 April 1395) also known as Catherine of Luxembourg was Electress of Brandenburg, the second daughter of Holy Roman Emperor Charles IV and Blanche of Valois. Catherine was born on 19 August 1342, the third child and second surviving daughter of Charles IV, Holy Roman Emperor, and his first wife Blanche of Valois. On 13 July 1356, Catherine married Rudolf IV, Duke of Austria. The marriage was a political one arranged by her father to make peace with Austria. Rudolph died after nine years of childless marriage. On 19 March 1366, Catherine married Otto V, Duke of Bavaria. Ancestors External links House of Luxembourg 1342 births 1395 deaths Bohemian princesses Austrian royal consorts Electresses of Brandenburg 14th-century Bohemian women 14th-century Bohemian people 14th-century House of Habsburg 14th-century Austrian women Daughters of kings Daughters of emperors Burials at St. Stephen's Cathedral, Vienna Children of Charles IV, Holy Roman Emperor Remarried royal consorts