 While one group continued north towards the modern state of Hidalgo and another remained in the vicinity of Texcoco, a third group arrived to the modern valley of Tlaxcala, where they established the city of Tepetícpac Texcallan under the leadership of Culhuatecuhtli Quanex.Over the subsequent years, the Tlaxcallan state expanded with the foundations of Ocotelulco and Tizatlán.The fourth major settlement, Quiahuiztlan, was founded by members of the Tlaxcallan group that had initially remained in the valley of Mexico.