His father was Jose Nicolas Chapa, and his mother was Maria Inez Baez de Benavides.
He married Ana Maria Garcia, daughter of Francisco Garcia and Maria Gertrudis Guajardo.
Nicolas Jose Chapa, born 1740. He married Maria Josefa Lopez, daughter of Juan Bautista Lopez and Josefa Bermudez. He owned Porción 22, Camargo.
Jose Miguel Chapa, born 1742. He married Maria Teresa Treviño?, daughter of Antonio Treviño and Isabel Cavazos. He owned Porción 23, Camargo, Porción 24, Camargo, Porción 28, Camargo.