 With his first wife, Countess Maria Emma Gislana de Sanchez d'Alcantara, he had two sons – Aleksander and Franciszek.Both sons died heirless while Antoni Stanisław was alive.Therefore, after the death of the last ordynat, Antoni Stanisław on June 15, 1909, according to Article III, the property of the Sułkowski Ordynat was to be given to the use of the "Komisja Edukacjna Narodowa" under the name of "Fundacja Kziazat Sułkowskich".