Frederick William was a German sovereign who ruled over the state of Mecklenburg-Strelitz as grand duke from 1860 until his death.
The Grand Duke c. 1887
Princess Augusta of Cambridge was a member of the British royal family as the granddaughter of George III. She married into the Grand Ducal House of Mecklenburg-Strelitz and became Grand Duchess of Me
The Grand Duchess c. 1887
Portrait by Franz Xaver Winterhalter, 1846