Escamillo, I doubt that I would have found this information without your translation. It seems that the name 'Selavia Arista' may be correct. I hope that Dr. Ramos Benitez can come up with more material.

Mirabeau B. Lamar, once President of the Republic of Texas, joined General Taylor's army in 1846 at Matamoros. An amateur poet, he wrote two poems dedicated to Mexican women, "Carmelita," and "To a Mexican Girl."