Juan married Ysabel Sanchez Castellanos on 9 Feb 1736 in Monte Escobedo, Zacatecas, Mexico. Ysabel (daughter of Vicente Sanchez Castellanos and Josefa del Muro) was born about 1723 in Monte Escobedo, Zacatecas, Mexico. [Group Sheet] [Family Chart]

1. Francisca Gamboa was born in Feb 1737 in Santa Teresa, Monte Escobedo Zacatecas Mexico.
2. Maria de la Encarnacion Gamboa was born about 1739 in Monte Escobedo, Zacatecas, Mexico; died before 1799 in Monte Escobedo, Zacatecas, Mexico.
3. Jose Ambrocio Gamboa was born about 1739 in Monte Escobedo, Zacatecas, Mexico.
4. Ynes Celestina Ciriaca Gamboa was born about 1741 in Monte Escobedo, Zacatecas, Mexico.
5. Alberto Cristobal Gamboa was born about 1746 in Monte Escobedo, Zacatecas, Mexico; died about 1788 in Monte Escobedo, Zacatecas, Mexico.
6. Jose Gabriel Gamboa was born about 1747 in Monte Escobedo, Zacatecas, Mexico; died before 1807 in Monte Escobedo, Zacatecas, Mexico.
7. Gravier Josephe Gamboa was born before 25 Mar 1747 in Hacienda de San Andres Astillero, Monte Escobedo, Zacatecas, Mexico.
8. Rita Olaya Gamboa was born about 1749 in Monte Escobedo, Zacatecas, Mexico.
9. Esteban Gamboa was born about 1750 in Monte Escobedo, Zacatecas, Mexico; died before 1824 in Monte Escobedo, Zacatecas, Mexico.
10. Jose Pioquinto de Gamboa was born about 1755 in Monte Escobedo, Zacatecas, Mexico.