Complex sentence: Juan José Domínguez died in 1809, and left the rancho to his nephew Cristóbal Domínguez, who died in 1822, but his three sons (including his eldest son, Manuel Domínguez) settled on the ranch, building adobe homes.
Split into simpler sentences: Juan José Domínguez died in 1809, and left the rancho to his nephew Cristóbal Domínguez, who died in 1822. His three sons (including his eldest son, Manuel Domínguez) settled on the ranch, building adobe homes.