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
John IV, Duke of Brittany all of John's children. After his death, she served as Regent to their son, John V, Duke of Brittany, and eventually married King Henry IV of England. John IV, Duke of Brittany John IV the Conqueror KG (in Breton Yann IV, in French Jean IV, and traditionally in English sources both John of Montfort and John V) (1339 – 1 November 1399) was Duke of Brittany and Count of Montfort from 1345 until his death and 7th Earl of Richmond from 1372 until his death. He was the son of John of Montfort and Joanna of Flanders. His father claimed