Complex sentence: Juan José Elquezabal (1781-1840) was a Spanish and Mexican soldier and attached inspector of Presidios; who also served as Interim Governor of Coahuila y Tejas between 1834 and 1835.
Split into simpler sentences: Juan José Elquezabal (1781-1840) was a Spanish and Mexican soldier; and attached inspector of Presidios. He also served as Interim Governor of Coahuila y Tejas between 1834 and 1835.