Frederica Wilhelmina Polyxena of Nassau-Siegen German princess (1730–1733) Parents Sophie Polyxena of Sayn-Wittgenstein-Hohenstein Frederick William II, Prince of Nassau-Siegen Children Siblings Frederica Augusta Sophia of Nassau-Siegen Mary Eleonor Concordia of Nassau-Siegen Charlotte Sophie Louise of Nassau-Siegen Anne Charlotte Augusta of Nassau-Siegen