Complex sentence: Manuel de la Concha was born in present-day Argentina, the son of Petra Irigoyen and Juan Gutiérrez de la Concha y Mazón, brigadier de marina and later gobernador intendente of the province of Tucumán.
Split into simpler sentences: Manuel de la Concha was born in present-day Argentina. His mother was Petra Irigoyen and his father was Juan Gutiérrez de la Concha y Mazón, "brigadier de marina" (naval officer) and later "gobernador intendente" (governor) of the province of Tucumán.