Little Mother of Russia: A Biography of the Empress Marie Feodorovna

Empress Marie, born Princess Dagmar, was the daugher of King Christian IX of Denmark and sister of Queen Alexandra of Great Britain, Edward VII's wife. She was betrothed to Tsarevitch Nicholas of Russia, a love match on both sides, but tragically he died months before the wedding. A year later, out of duty she married his brother the new Tsarevich and sailed for Russia in 1866.