When Isabel Pulgar Angarita was born about 1894, in Norte de Santander, Colombia, her father, José León Pulgar, was 51 and her mother, Pia Angarita, was 34. She married Juan Estupiñan Pinzón about 1913, in Chinácota, Norte de Santander, Colombia. They were the parents of at least 1 son and 3 daughters. She died about 1994, in her hometown, at the age of 100.