Thierry, Prince de Hénin

[3] His paternal grandfather was Pierre-Simon de Hénin-Liétard,[4] a son of Jean-François-Joseph de Hénin-Liétard, chamberlain of Joseph II, the Holy Roman Emperor from 1765 to 1790 (and brother of Queen Marie Antoinette).

[5] His great-grandfather was the uncle of Prince Charles-Alexandre de Hénin-Liétard d'Alsace, who was executed by guillotine during the French Revolution.

[10] He resigned from the military to take care of his estates in Vosges, Lorraine, including the Château de Bourlémont in Frebécourt.

[10] At Bourlémont, d'Hénin hosted many notables, including Prime Minister Georges Clemenceau.

[8] In the Senate, he devoted his attention to military matters and returned to service, with the rank of Squadron Chief, when World War I started.

[9] On 19 April 1884, he was married to Charlotte Gabrielle de Ganay (1864–1942) in Paris.

[14] The Prince d'Hénin died, without issue, at his home, 20 Rue Washington, Paris on 24 February 1934.