Complex sentence: He passed his first years in San Cristóbal, between 1919 and 1921, with his parents and brothers, successively in Cúcuta, San Luis and Pamplona (Colombia).
Split into simpler sentences: He passed his first years in San Cristóbal. Between 1919 and 1921, with his parents and brothers, successively in Cúcuta, San Luis and Pamplona (Colombia).