Complex sentence: Mandaue's Administration in the Prehispanic time were Chiefs only two are known Aponoan and Lambusan not much who were mentioned in the Spanish Expedition chronicles; the former was succeeded by the latter.
Split into simpler sentences: Mandaue's Administration in the Prehispanic time were Chiefs, only two are known Aponoan and Lambusan. Not many people are mentioned in the Spanish Expedition chronicles; the former was succeeded by the latter.