1) Agapito Villavicencio Montero and Maximiana Mesa Abeto married in 1855 in Iloilo and migrated to Negros where they settled in Binalbagan.
2) Through hard work, they acquired land holdings in Binalbagan known as Hacienda Loreto and Hacienda Alimango.
3) They had 14 children, nine of whom survived to adulthood and had large families of their own, establishing the Montero clan across Negros Occidental and other parts of the Philippines.