Complex sentence: Zamboangueño is the major ethnic group or ethno-linguistic nation in the Independent City of Zamboanga and were just one of the two offsprings with the Kalibugan ethnic which evolved from the Subanon Ethnic.
Split into simpler sentences: Zamboangueño is the major ethnic group or ethno-linguistic nation in the Independent City of Zamboanga. The Zamboangueño Ethnic, were just one of the two offsprings with the Kalibugan ethnic which evolved from the Subanon Ethnic.