Charlotte-Sophie von Aldenburg und Knyphausen and Willem Bentinck, Count Bentinck from 1732), was Regent Dowager for their son, Wilhelm II Gustav vanBentinck (1762–35)
Saxe-Weissenfels, no issue Sophie Charlotte, Countess of Aldenburg 4 Aug 1715 4 Feb 1800 William, 1st Count Bentinck , had issue Gustav Frederick, Prince of Isenburg-Büdingen