In San Juan Chamelco, Guatemala, the Q'eqchi' redefine history through narratives of Aj Pop B'atz', the sixteenth-century Q'eqchi' leader. Chamelqueños trace their strength of character and the perseverance of indigenous practice to his legacy. This article examines Aj Pop B'atz' as a model of Q'eqchi' kinship. In Chamelco, Q'eqchi' junkab'als, ''families,'' consist of individuals connected through biological or social ties. Stories of Aj Pop B'atz' are part of the shared substance that binds them as kin. By grounding the contemporary family in Q'eqchi' history, Chamelqueños define their indigenous identity in a time of global challenges and political unrest (Maya, kinship, ethnohistory, shared substance).