Duchess Elisabeth Sophie of Mecklenburg German poet and composer and by marriage Duchess of Brunswick-Lüneburg (1613–1680) Parents Margaret Elizabeth of Mecklenburg John Albert II, Duke of Mecklenburg Children Christian Franz of Brunswick-Wolfenbüttel Marie Elisabeth of Brunswick-Wolfenbüttel Ferdinand Albert I, Duke of Brunswick-Lüneburg Siblings Christine Margarete von Mecklenburg-Schwerin Gustav Adolph, Duke of Mecklenburg-Güstrow Johann Christopher von Mecklenburg-Güstrow Karl Heinrich von Mecklenburg-Güstrow Johann Christian von Mecklenburg-Güstrow Luise von Mecklenburg-Güstrow Anne Sophie von Mecklenburg-Güstrow Partners Augustus the Younger, Duke of Brunswick-Lüneburg