These "Some other race" Hispanics are usually assumed to be mestizos or mulattos. Its three main groups are Caucasians, Mestizos and Blacks. Many of these European migrants intermarried with local "mestizos" and assimilated with the indigenous population. Zapata's family were mestizos, Mexicans of Nahua and Spanish ancestry. Ethnically pure Mayos tend to segregate themselves from mestizos and other ethnicities. They married Tican women (who are a blend of Europeans, Castizos, Mestizos, Indian, black). El Salvador's population is composed of Mestizos, whites, and indigenous peoples. They married Tican women (a blend of Europeans, Caztizos, Mestizos, Indian, and Black). Some mestizos and whites have a degree of African admixture. Migrants include Ch'ol, Tzeltal, Tzotzil, Tojolabal indigenous peoples along with mestizos, Guatemalan refugees and others. Mestizos and Indians in Mexico habitually held each other in mutual antipathy. During the mid-19th century, were common to the death duels between gauchos and mestizos afroargentinos. The rebel government also integrated all parts of population, including "mestizos" and indigenous. Most Japanese mestizos speak Tagalog and/or other Philippine languages. The majority of the Nicaraguan population is composed of mestizos, roughly 69%.