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 Brunswick the accession of Ernest Augustus, Duke of Brunswick, the son of the Crown Prince of Hanover, in 1913. William died unmarried, but had a number of illegitimate children. William, Duke of Brunswick William, Duke of Brunswick (; 25 April 1806 – 18 October 1884), was ruling duke of the Duchy of Brunswick from 1830 until his death. William was the second son of Frederick William, Duke of Brunswick-Lüneburg, and after the death of his father in 1815, was under the guardianship of King George IV of the United Kingdom. He became a Prussian major in 1823. When his brother, Charles,