After the outbreak of World War I Dohna was evacuated to Darmstadt, where he lived at the Court of his relative Ernest Louis, Grand Duke of Hesse and in 1916 he moved to Davos, Switzerland, where he passed his Abitur in 1918.
After the outbreak of World War I Dohna was evacuated to Darmstadt, where he lived at the court of his uncle-in-law Ernest Louis, Grand Duke of Hesse. In 1916 he moved to Davos, Switzerland, where he passed his Abitur in 1918.