Monarchs of England, Great Britain and the United Kingdom
House of Normandy
William I "the Conqueror" (1066-1087)
William II "Rufus" (1087-1100)
Son of William I. Inherited England but not Normandy (which went to his older brother Robert). Died in a slightly suspicious hunting accident.
Henry I "Beauclerc" (1100-1135)
Son of William I and brother of William II. Lost his male heir in the White Ship disaster of 1120. Named his eldest daughter Matilda as his heir. Matilda was married to Geoffrey, Count of Anjou. She was also the widow of Henry V, Holy Roman Emperor (hence the moniker Empress Matilda).
House of Blois
Stephen of Blois (1135-1154)
Stephen was the nephew of Henry I through his sister Adela. He seized the crown forcefully upon his uncle's death and waged a civil war against Matilda. A settlement was eventually reached whereupon Stephen would be king, but Matilda's son would be his heir.
House of Anjou/Plantagenet
Henry II "Curtmantle" (1154-1189)
Henry II inherited England through his mother's settlement with Stephen of Blois, the county of Anjou from his father, and the Duchy of Aquitane, from his wife Eleanor. This made him the most powerful ruler in western Europe at in his time.
Richard I "Lionheart" (1189-1199)
Son of Henry II.
John
Son of Henry II and brother of Richard I. Famous for losing the European possessions and for the signing of the Magna Carta. From here on, the house is generally known as Plantagenet.
Henry III (1216-1272)
Son of John. Exceptionally long reign.
Edward I "Longshanks" (1272 - 1307)
Son of Henry III. Bad guy in Braveheart.
Edward II (1307 - 1327)
Son of Edward I. A poorly regarded king who was overthrown by his wife and died in prison.
Edward III (1327 - 1377)
Son of Edward II. Gained power through his mother's coup. Very capable king who started the Hundred Years' War in 1337 following disputes with the French king. Acts as the focal point of all descendants who would claim power in the Wars of the Roses.
Richard II (1377 - 1399)
Grandson of Edward III through his oldest son, the black prince. Another poorly regarded king who was overthrown by his cousin.