On 24 June 1914 two weeks after the death of his cousin Grand Duke Adolf Friedrich V, Charles Michael wrote to the new Grand Duke Adolf Friedrich VI informing him that he wished to renounce his rights to the throne of Mecklenburg-Strelitz. On 7 August shortly after the outbreak of World War I he became a naturalised Russian citizen.
Duke Charles Louis Frederick of Mecklenburg: 14. Charles II, Grand Duke of Mecklenburg-Strelitz: 29. Princess Elisabeth Albertine of Saxe-Hildburghausen: 7. Louise of Mecklenburg-Strelitz: 30. Prince George William of Hesse-Darmstadt: 15. Princess Friederike of Hesse-Darmstadt: 31. Countess Maria Louise Albertine of Leiningen-Falkenburg-Dagsburg