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
First Minister and deputy First Minister of Northern Ireland . The second position has been spelt "Deputy" or "deputy" First Minister, due to differing preferences by civil servants (and potentially ministers), although the spelling of the title has no constitutional consequences in practice. The first two holders of the office, Seamus Mallon and Mark Durkan, were both referred to during their periods of office as "Deputy First Minister", with a capital D. In the Good Friday Agreement, also known as the Belfast Agreement, which established the executive in Northern Ireland, the two positions are spelt "First Minister and Deputy First Minister" (with a capital D). This was also adopted