 In 1904 Adolphus Frederick V, a son of Grand Duke Frederick William and his wife Princess Augusta of Cambridge, daughter of Prince Adolphus, became grand duke of Mecklenburg-Strelitz.In 1907, the grand duke promised a constitution to the duchy's subjects, but this was met with opposition from the nobility.The Mecklenburg-Strelitz dynasty ended just prior to the loss of the monarchy in developments associated with World War I.