Josefa was born in 1891 in Zaragoza, Spain. Her mother died in 1907, and her father remarried in 1909, making Josefa and her sister feel out of place. In 1910, Josefa and her sister decided to emigrate to America. They arrived by ship in June 1910 and witnessed some passengers commit suicide believing a comet would destroy Earth. From 1910 to 1977, Josefa married, had three children, and lived in Lanús, Argentina until dying at age 86 in 1979 from an illness.