About Adolphus Frederick VI
Adolphus Frederick VI (German: Adolf Friedrich VI; 17 June 1882 – 23 February 1918) was the last reigning Grand Duke of Mecklenburg-Strelitz. Adolphus's fortune had been amassed by his grandfather and was estimated at 30 million marks (€54 million in 2021). Adolphus Frederick became heir apparent to the Grand Duchy, with the title of Hereditary Grand Duke of Mecklenburg-Strelitz, following the death of his grandfather Grand Duke Frederick William on 30 May 1904.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.