Eustoquio Antonio Díaz Vélez was an Argentine military officer who fought against the British invasions of the Río de la Plata, participated in the May Revolution, in the war of independence and in the Argentine civil wars.
His name was Eustoquio but usually is cited, incorrectly, as Eustaquio.
Wikipedia https://en.wikipedia.org/wiki/Eustoquio_Díaz_Vélez
Coordinates -34°35'13.896" N -58°23'35.951" E
