Amalia of Oldenburg Queen of Greece (1818–1875) (1818–1875) Parents Princess Adelheid of Anhalt-Bernburg-Schaumburg-Hoym Augustus, Grand Duke of Oldenburg Children Siblings Duke Nikolaus of Oldenburg Peter II, Grand Duke of Oldenburg Duke Alexander of Oldenburg Duke Elimar of Oldenburg Frederika of Oldenburg Partners Otto of Greece