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
History of Guernsey tons with crews of 8-20 men. In times of war, ships could be seized as prizes, the practice continuing in times of peace, against all nationalities, as piracy. In the mid-16th century, the island was influenced by Calvinist reformers from Normandy. During the Marian persecutions, three local women, the Guernsey Martyrs, were burned at the stake in 1556 for their Protestant beliefs. Two years later Elizabeth I came to the throne and Catholicism faded in Guernsey. The French and piracy were problems to trade with Guernsey in the 16th century, requiring English naval ships to keep them at bay. Guernsey