Remedies, very ill, was taken to a fifth of the Caseros Street and monastery, where he died on August 3, 1823, at the age of 25. The Jose de San Martin, who had returned to Mendoza after the encounter in Guayaquil, is preparing to travel to Buenos Aires, but Rivadavia prevents it. Finally he embarks on the journey, but when he arrives his wife was already dead. He decided to move then to Paris accompanied by his daughter Mercedes. After passing by Brussels and his last return to Buenos Aires, returned to Paris and later moved to Grand Bourg, where both became ill from cholera and were attended by the Argentine medical young Severus Mariano Balcarce, son of General Antonio Gonzalez Balcarce. Mercedes married shortly after severe Mariano Balcarce, on December 13, 1832, with whom he had two daughters, Maria Mercedes Balcarce in 1833 and Josefa Dominga Balcarce in 1836, the granddaughters of General Jose de San Martin. On August 17, 1850 at 3 in the afternoon, at the age of 72, died General San Martin in his home in Boulogne Sur Mer.
Shortly after, Mercedes and Mariano with their daughters moved to Brunoy, a town near Paris, where laying down definitively. In 1860 die Maria Mercedes Balcarce and San Martin, at the early age of 27 years, without leaving any descendants. Next to his tomb is placed the body of his grandfather, in the family vault, until May 28, 1880, his remains returning to the country and they are placed in the mausoleum specially erected in his memory in the Cathedral in Buenos Aires, where a sentence permanently relives his glory: triumphed at San Lorenzo, said the independence of Argentina, he spent the Andes, led its emancipatory flag to Chile, the Peru and the Ecuador. Mercedes Tomasa dies on February 28, 1875 at the age of 58 and severe Mariano Balcarce died in 1885 at the age of 78.