Complex sentence: Historically the Itzas descend from a Yucatecan maya lineage the "Ah Itzá" were an important Mesoamerican people who dominated the Yucatan peninsula in the Post-classic period, who from their capital at Chichén Itzá established a trade empire reaching as far south as Naco in Honduras.
Split into simpler sentences: Historically the Itzas, descended from a Yucatecan Maya lineage the "Ah Itzá", were an important Mesoamerican people who dominated the Yucatan peninsula in the Post-classic period. From their capital at Chichén Itzá, they established a trade empire reaching as far south as Naco in Honduras.