Margaret of Brunswick-Lüneburg, was a German noblewoman member of the House of Welf and by marriage Duchess of Saxe-Coburg.
Born in Celle, she was the ninth of fifteen children born from the marriage of William the Younger, Duke of... Wikipedia
Born: April 6, 1573, Celle, Germany
Died: August 7, 1643 (age 70 years), Celle, Germany
Partner: John Casimir, Duke of Saxe-Coburg (1599–)