Claim: Mathieu Tenant de la Tour was Capitaine of the French Air Force Escadrille 26 that was  founded in 1914 that had six other commanders and he was killed in a flying accident in 1917
Evidence: Capitaine Mathieu Marie Joseph Antoine Tenant de la Tour (5 December 1883 - 17 December 1917) was a French World War I flying ace credited with nine aerial victories. He died in a flying accident with his new Spad XIII fighter at Auchel on 17 December 1917. In April 1917, after being promoted to Lieutenant, he was given command of Escadrille 26. Capitaine Mathieu Tenant de la Tour: April 1917 - Killed in flying accident 17 December 1917 Capitaine Robert Jannerod: 26 August 1914 - January 1915 Capitaine Pierre de Malherbe: January 1915 - November 1915 Capitaine Thobie: mid-November 1915 Capitaine Jacques de Sieyes de Veynes: 17 May 1916 - POW 3 July 1916 Capitaine Victor Menard: July 1916 - April 1917 Capitaine Joseph M. X. de Sévin: 25 December 1917 - end of war