BEAUMONT DE LA BONNIERE, Gustave Auguste de, French author, grandson of Lafayette, born at Beaumont-la-Chatre, department of Sarthe, 6 February 1802; died in Paris, 22 February 1866. He was commissioned, with M. de Tocqueville, to investigate the penal institutions of the United States, came to this country for that purpose in 1831, and published a report on "The Penitentiary System of the United States and its Application in France " (1832). He married his cousin, the granddaughter of Lafayette, in 1836. He was elected to the chamber in 1840, was a member of the constituent assembly of 1848, and was sent by Cavaignac as ambassador to England. In 1851 he was imprisoned for opposing the coup d'etat of 2 December His principal other published writings are "L'Es-clavage aux Etats-Unis" (1835), of which a translation has appeared in the United States, and "L'Irlande, sociale, politique, et religieuse" (1839).