Norman dynasty

House of Normandy
Arms of the duchy of Normandy
Country	France, England
Estates	Normandy, England, Flanders
Titles	Count of Rouen Duke of Normandy King of England Count of Flanders
Founded	911
Founder	Rollo
Final ruler	Henry I of England
Deposition	1135
Ethnicity	Norman, French, English
Cadet branches	Illegitimate lines: House of Devereux, Viscount Hereford House of FitzRobert, earls of Gloucester House of Dunstanville, earls of Cornwall

Illegitimate lines:

The House of Normandy is the usual designation for the family that were the Counts of Rouen, Dukes of Normandy and Kings of England which immediately followed the Norman conquest of England and lasted until the House of Plantagenet came to power in 1154. It included the Norwegian Viking Rollo and his descendants, and from William the Conqueror and his heirs down through 1135. After that it was disputed between William's grandchildren, Matilda and Stephen of the House of Blois (or Blesevin dynasty).

The Norman counts of Rouen were:

The Norman dukes of Normandy were:

The Norman monarchs of England and Normandy were:

Norman Count of Flanders:

Counts of Rouen and Dukes of Normandy shown in bold.