[1] On his father side he came from an old Catholic and royalist family, originally from Albi, that had been prominent in local administrative and political life for a century and was ennobled by letters patent on 31 May 1817.

His grandfather, born in 1744, was a lawyer and president-treasurer of the Toulouse Bureau of Finance who married the daughter of the Marquis de Corn du Peyroux.

He generally voted with the right, including votes for the prosecution of Louis Blanc and Marc Caussidière, against abolition of the death penalty, against the amendment by Jules Grévy to suppress the presidency, against the right to work, for the proposal of Jean-Pierre Rateau to dissolve the Constituent Assembly, against amnesty, for the prohibition of clubs and for credits for the expedition to Rome to destroy the Roman Republic and restore the Pope .

[2] On 28 February 1858 he joined the literary Académie des jeux floraux in Toulouse, where he specialized in the study of contemporary poetry and criticism.

[4] He supported the republic, tried to persuade the conservative peasantry of the value of representative government, and acted as a spokesman for rural interests.

He voted against Article 7 of the Jules Ferry Act, against return of the government to Paris, against reform of the judiciary, against divorce.

Voisins-Laverniere spoke against expulsion of the princes, for reinstatement of the district poll on 13 February 1889, and for the Lisbonne law restricting freedom of the press.