 Alexander and Marie are ancestors of the last emperors of Russia, as well as the princely Battenbergs (now known as the Mountbattens).In 1836, the same year of Grand Duchess Wilhelmine's death, he married Luise Wilhelmine Camille von Otting und Fünfstetten (24 May 1810 – 1876), said to be a morganatic descendant of the Counts Palatine of Zweïbrucken and the Margraves of Baden-Durlach, by whom he had three sons and three daughters