In 1580, she was engaged to Barnim X, Duke of Pomerania of Pomerania and on 8 January 1581, she married him in Berlin. As her Wittum, she received the district of Bytów on the Kashubian border. They had no children. When Barnim inherited Pomerania in 1600, he left Bytów to his brother Casimir and Anna Maria received the district of Wolin, including the eponymous town and palace as her jointure.