Career
He was the last Correo Mayor de Indias. The couple had 4 children: Magdalena de Carvajal, later Marquise of Lara. Mariano Joaquín de Carvajal-Vargas, later 5th Count of Puerto.
Diego Melchor de Carvajal-Vargas.
And Luis Fermín de Carvajal, later 1st Count of Louisiana Unón.