[2] Combarel de Leyval inherited property, entered politics at an early age and was elected to the General Council of Puy-de-Dôme.

[3] Under the July Monarchy on 2 March 1839 Combarel de Leyval was elected Deputy of the 4th college (Riom) of Puy-de-Dôme.

[3] Under the French Second Republic Combarel de Leyval was elected to the Constituent Assembly for Puy-de-Dôme on 23 April 1848.

[4] He voted on 9 August 1848 for reinstatement of the physical constraint, on 26 August 1848 for prosecution of Louis Blanc and Marc Caussidière, on 7 October 1848 against the Jules Grévy amendment to make the presidency subordinate to the Assembly, on 2 November 1848 against the right to work, on 4 November 1848 for the whole of the Constitution, on 25 November 1848 for congratulations to General Louis-Eugène Cavaignac, on 28 December 1848 against reduction of the salt tax, on 12 January 1849 for the Rateau proposal to dissolve the Assembly, on 21 March 1849 for prohibition of clubs and on 2 May 1849 against amnesty for the transportees.

[3] After the coup d'etat of 2 December 1851 Combarel de Leyval did not gain official support as candidate for the 4th constituency of Puy-de-Dôme in the 29 February 1852 Legislative Council elections.