[2] At the Battle of Biberach (2 October 1800), where he served under y Louis Desaix, Joba was wounded by sabre cuts and gun shot and taken prisoner.
[2] In late December 1799, Joba headed one of the three brigades (the other two brigade generals were Sabatier and Roussel) based in Basel under Baraguey d'Hilliers's division of Saint-Cyr's Centre Corps of the Army of the Rhine and Moselle under Commander-in-Chief General Moreau.
[5] The following month, however, Ney's division had been reduced to the two brigades led by Bonet and Joba.
[6] Joba, together with Generals of Brigade Bonet and Poissonnier made up Ney's 2nd Division (9,630 troops, 12 guns) on Grenier's Left Wing at the Battle of Hohenlinden (3 December).
[7] He was killed in action at the combat of San Gregorio,[2][8] where he had been sent with three brigades to clear the main road to Figueras of the miqueletes led by Rovira and Claros.