The expedition of Juan de Oñate in 1598 is the foundational genealogical event for Hispanic New Mexico. Many of the families that accompanied him established lineages that still dominate the state today. Genealogists often refer to these as the "Oñate families" to distinguish them from the "Reconquest families" who arrived with Diego de Vargas in 1693 (after the Pueblo Revolt). Below are the key surnames linked directly to the 1598 Oñate muster rolls and colonization. 1. The Most Prominent "Oñat