She presented herself before the courts in order to negotiate the liberation of her father and grandfather, in exchange for jewels and other very valuable objects that belonged to her family for generations; the value amounted to about 40,000 reales.

The Spanish had recently reconquered the rebel nation, and as retribution to her family for having been part of those who had instigated revolts around the region, they took the jewels, but also hanged her father and sentenced her grandfather to death by firing squad.

Years later, after the triumph of the patriot troops over the royalists at the Battle of Boyaca on 7 August 1819, the Santa Fe society organized an act of triumphal entry for the official victors.

Upon reaching Maracaibo, Venezuela, Urdaneta's native city, they suffered persecution from General Paez, who had been one of Bolivar's ideological adversaries after the end of the Venezuelan War of Independence.

After experiencing a period of economic difficulties, Urdaneta was appointed ambassador of Venezuela in Spain on 1845, but was only able to retain that position for a month before dying due to complications from kidney stones.