Duchess Anastasia of Mecklenburg-Schwerin noble (1923–1979) (1923–1979) Parents Princess Alexandra of Hanover Frederick Francis IV Children Irene zu Schleswig-Holstein-Sonderburg-Glücksburg Elisabeth zu Schleswig-Holstein-Sonderburg-Glücksburg Margaretha zu Schleswig-Holstein-Sonderburg-Glücksburg Sibylla zu Schleswig-Holstein-Sonderburg-Glücksburg Siblings Duchess Thyra of Mecklenburg-Schwerin Friedrich Franz, Hereditary Grand Duke of Mecklenburg-Schwerin Duke Christian Ludwig of Mecklenburg-Schwerin Partners Prince Friedrich Ferdinand of Schleswig-Holstein-Sonderburg-Glücksburg