Duchess Helene of Mecklenburg-Strelitz was a daughter of Duke Georg August of Mecklenburg-Strelitz and his wife, Grand Duchess Catherine Mikhailovna of Russia. She was the second wife of Prince Albert of Saxe-Altenburg. Wikipedia
Born: January 16, 1857, Saint Petersburg, Russia
Died: August 28, 1936 (age 79 years), Remplin, Germany
Spouse: Prince Albert of Saxe-Altenburg (m. 1891–1902)
Great-grandparents: Maria Feodorovna, Paul I of Russia, Charles II, Grand Duke of Mecklenburg-Strelitz, and more