Robert I, Duke of Normandy the father of: Robert I, Duke of Normandy Robert the Magnificent (; 22 June 1000 – 1–3 July 1035), was the Duke of Normandy from 1027 until his death in 1035. Owing to uncertainty over the numbering of the Dukes of Normandy he is usually called Robert I, but sometimes Robert II with his ancestor Rollo as Robert I. He was the son of Richard II and brother of Richard III, who preceded him as the Duke. Less than a year after his father's death, Robert revolted against his brother's rule, but failed. He would later inherit Normandy after his
William, Duke of Opava of Opava after Bolko's death from the latter's brother Nicholas I and in 1464, he purchased the other 2/3 in Opole in 1464 from John II, thereby considerable increasing his political and economic influence in Silesia. William of Troppau died in 1452. He was buried in the Holy Spirit Church in Opava. William was married with Salome, a daughter of the East Bohemian nobleman Půta III of Častolovice and his wife, Anna, the daughter of Albert of Koldice. They had the following children: William, Duke of Opava Duke William of Opava (; – 15 August 1452) was a member of