Jose Joaquin de Urrutia y Ecay Muzquiz was born circa 1702.
He married Rosa de Yruegas on 7 May 1722 in Monclova.Their padrinos were Capt. Pedro Valdez, Juan de Salazar (testigo) and Joaquin de Uriegas with wife Juana Garcia (padrinos).
Pedro Joseph de Urrutia Yruegas was born on 11 Jan 1723 in Monclova.
Pedro Fermin de Urrutia Yruegas was born on 21 Dec 1725 in Monclova. He married Maria Catarina Garcia de Soberon.