Marie Luise Prinzessin zu Sayn-Wittgenstein-Berleburg (born 1972) (b. 1972) Parents Otto-Ludwig Prinz zu Sayn-Wittgenstein-Berleburg Annette Baronin von Cramm Children Heinrich Donatus, Hereditary Prince of Schaumburg-Lippe Siblings Vanessa-Irina Prinzessin zu Sayn-Wittgenstein-Berleburg Stanislaus Prinz zu Sayn-Wittgenstein-Berleburg Stefanie-Christina Prinzessin zu Sayn-Wittgenstein-Berleburg Maximilian-Alexander Prinz zu Sayn-Wittgenstein-Berleburg Partners Alexander, Prince of Schaumburg-Lippe