Richard, son of William the Conqueror this is a mistake based on the misinterpretation of a 16th-century inscription on his tomb, which was also intended for the Earl Beorn, nephew of Cnut the Great. Richard, son of William the Conqueror Richard of Normandy (c. 1054 to between 1069 and 1075) was the second son of William the Conqueror, King of England, and Matilda of Flanders. Between 1069 and 1075, Richard died in a hunting accident in the New Forest. He was buried at Winchester Cathedral. In a twist of fate, his younger brother, King William Rufus, and a nephew, also named Richard, were also killed in
William Ernest, Duke of Saxe-Weimar William Ernest, Duke of Saxe-Weimar William Ernest, Duke of Saxe-Weimar (19 October 1662 – 26 August 1728) was a duke of Saxe-Weimar. He was born in Weimar, the eldest son of Johann Ernst II, Duke of Saxe-Weimar and Princess Christine Elisabeth of Schleswig-Holstein-Sonderburg. When his father died in 1683, he succeeded him as duke; however, he was compelled to rule jointly with his younger brother Johann Ernst III. Because John Ernest III was alcoholic, William Ernest took full control of the government of the duchy and permitted John Ernest the nominal title of co-duke ("Mitherr") until his death in 1707.