 He received the Order of Saint Stephen of Hungary as well.Heinrich XI married on 4 April 1743 in Köstritz to Countess Conradine Reuss-Köstritz (1719–1770), youngest daughter of Heinrich XXIV, Count Reuss-Köstritz, and his wife, Baroness Marie Eleonore Emma von Promnitz-Dittersbach.They had eleven children