Frederick Francis IV Grand Duke of Mecklenburg-Schwerin (1882-1945) (1882–1945) Parents Grand Duchess Anastasia Mikhailovna of Russia Frederick Francis III Children Duchess Thyra of Mecklenburg-Schwerin Friedrich Franz, Hereditary Grand Duke of Mecklenburg-Schwerin Duke Christian Ludwig of Mecklenburg-Schwerin Duchess Anastasia of Mecklenburg-Schwerin Siblings Alexandrine of Mecklenburg-Schwerin Duchess Cecilie of Mecklenburg-Schwerin Alexis Louis de Wenden Partners Princess Alexandra of Hanover
