Complex sentence: Some people affirm that this municipality was primitively called Hueyaonáhuac and that were founded by groups Otomíes and Totonacas, at the pre-Hispanic time was put under the triple alliance (the Mexico-Texcoco-Tlacopan).
Split into simpler sentences: Some people affirm that this municipality was primitively called "Hueyaonáhuac" and that it was founded by the Otomíes and Totonacas, in pre-Hispanic times. It was under the triple alliance (Mexico-Texcoco-Tlacopan).