Armand Chapelle de Jumilhac, 7th Duke of Richelieu

Marie Odet Richard Armand Chapelle de Jumilhac, 7th Duke of Richelieu (15 November 1847 – 28 June 1880), was a French aristocrat.

[3] His paternal grandmother's elder half-brother was Armand Emmanuel de Vignerot du Plessis, 5th Duke of Richelieu.

His maternal uncle was the prominent French anthropologist and palaeontologist, Jean-François-Albert du Pouget, Marquis of Nadaillac.

In 1879, upon the death of his paternal uncle, Armand François Odet Chapelle de Jumilhac, he succeeded as the 6th Duke of Richelieu.

[5] On 27 February 1875 in Paris, Chapelle de Jumilhac was married to American-born heiress Alice Heine (1858–1925), a daughter of Amélie Marie Céleste Miltenberger and Michel Heine, a scion of a prominent German-rooted Berlin and Paris banking Jewish family.