History of Guernsey 933 when the islands, came under the control of William Longsword, son of Rollo the first Duke of Normandy, having been annexed from the Duchy of Brittany by the Duchy of Normandy. The island of Guernsey and the other island in the Channel Islands represent the last remnants of the medieval Duchy of Normandy. In the islands, Elizabeth II's traditional title as head of state is Duke of Normandy. (The masculine nomenclature "Duke" is retained even when the monarch is female.) According to tradition, Robert I, Duke of Normandy (the father of William the Conqueror) was journeying to England in
Law of Guernsey relating to rubbish collection and data protection laws. Certain laws affecting Guernsey can be imposed on Guernsey by the United Kingdom government and are registered as Guernsey laws to extend them to the Bailiwick. Examples include the Landmines Act 1998 ( becoming the Landmines Act 1998 (Guernsey) Order 2000) and the Police Act 1997. There have been many cases in history of Guernsey simply not registering Parliamentary laws which has the effect of nullifying them. Convention requires Parliamentary laws to (a) not go beyond the prerogative powers over the Islands and (b) should be consonant with aspects of modern law.