Richard, son of William the Conqueror 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 the New Forest twenty-five years later. Richard is sometimes referred to as the "Duke of Bernay", as if part of his father's continental possessions, as in Burke's Peerage;
Frederick William, Duke of Cieszyn Frederick William, Duke of Cieszyn Frederick William of Cieszyn (, , ; 9 November 1601 – 19 August 1625) was a Duke of Cieszyn since 1617 until his death. He was the third but only surviving son of Adam Wenceslaus, Duke of Cieszyn, by his wife Elisabeth, daughter of Gotthard Kettler, Duke of Courland. His mother died from childbirth complications ten days after his birth, on 19 November 1602. Since his early years, Frederick William's education was entrusted to the Silesian humanist Baltzar Exner. In 1611 Duke Adam Wenceslaus decided to convert to the Catholicism, and all the Protestant members