Johann Cirksena (1618-1660) (1618–1660) Parents Sabina Catherine of East Frisia John III of Rietberg Children Francis Adolphus William of Rietberg Friedrich Wilhelm Ostfriesland und Rietberg Ferdinand Maximilian of Rietberg Fürstäbtissin Bernardina Sophia Siblings Ernest Christopher Partners Anna Katharina von Salm-Reifferscheidt