He married Margarita de Flores y Trelles and had a son Antonio Mauricio de Sucre Pardo y Trelles, married to Josefa Margarita Francisca García de Urbaneja y Sánchez de Torres, daughter of Francisco Manuel García de Urbaneja y Andrade and wife Teresa Sánchez de Torres y Gobea. Their son Vicente de Sucre y García de Urbaneja married María Manuela de Alcalá y Sánchez Ramírez de Arellano, daughter of Pedro de Alcalá y Rendón and wife Juana Jerónima Sánchez Ramírez de Arellano y Vallenilla, and their son was António José de Sucre y Alcalá.
He married Margarita de Flores y Trelles and had a son named Antonio Mauricio de Sucre Pardo y Trelles, who was married to Josefa Margarita Francisca García de Urbaneja y Sánchez de Torres, daughter of Francisco Manuel García de Urbaneja y Andrade and Teresa Sánchez de Torres y Gobea. Their son Vicente de Sucre y García de Urbaneja wed María Manuela de Alcalá y Sánchez Ramírez de Arellano, daughter of Pedro de Alcalá y Rendón and Juana Jerónima Sánchez Ramírez de Arellano y Vallenilla, and their son was António José de Sucre y Alcalá.