When Cayetano Lopez was born about 1885, in Güiria, Sucre, Venezuela, his father, Lucas Gonzalez, was 25 and his mother, Santiaga Lopez, was 10. He married Ana Fuentez about 1900, in Güiria, Sucre, Venezuela. They were the parents of at least 1 son and 7 daughters. He died on 19 May 1972, in his hometown, at the age of 87, and was buried in Güiria, Sucre, Venezuela.