Princess Ulrike Friederike Wilhelmine of Hesse-Kassel German princess (1722-1787) (1722–1787) Parents Princess Friederike Charlotte of Hesse-Darmstadt Maximilian of Hesse-Kassel Children Hedvig Elisabeth Charlotte of Holstein-Gottorp Peter Friedrich Wilhelm, Duke of Oldenburg Louise Caroline Oldenburg Siblings Maria Prinzessin von Hessen-Kassel Karl Prinz von Hessen-Kassel Elisabetha Sophie Luise Prinzessin von Hessen-Kassel Princess Caroline Wilhelmina Sophia of Hesse-Kassel Princess Christine Charlotte of Hesse-Kassel Princess Wilhelmina of Hesse-Kassel Partners Frederick August I, Duke of Oldenburg
