The Angevin royal house that held the English crown from Henry II in 1154 to Richard III in 1485 — the longest-reigning dynasty in English history.
The dynasty took its name from Geoffrey of Anjou, whose byname "Plantagenet" is usually linked to the sprig of broom (Old French plante genêt) he is said to have worn. Geoffrey married Empress Matilda, daughter and designated heir of Henry I of England, in 1128, joining the county of Anjou to the Norman claim on England.
Matilda’s fight for the English throne against Stephen of Blois plunged England into the civil war known as the Anarchy. It ended by compromise: Stephen kept the crown for life but recognised Matilda’s son as heir. That son took the throne in 1154 as Henry II, the first Angevin king and the founder of the Plantagenet line.
Henry II ruled far more than England. Through inheritance he held Normandy, Anjou, Maine, and Touraine, and through his marriage to Eleanor of Aquitaine in 1152 he gained the vast duchy of Aquitaine in south-western France. The resulting collection of lands, stretching from the Scottish border to the Pyrenees, is known to historians as the Angevin empire.
This was never a single unified state but a personal union of territories held on different terms, several of them as fiefs of the king of France. That contradiction — an English king who was also the French king’s most powerful vassal — drove much of the warfare and diplomacy of the next three centuries.
Henry II rebuilt royal authority after the Anarchy and expanded the reach of royal justice, laying foundations of the English common law through itinerant judges and the use of juries. His quarrel with Archbishop Thomas Becket ended in Becket’s murder in Canterbury Cathedral in 1170, a scandal that echoed across Latin Christendom.
Under his son John the cross-Channel empire collapsed: Philip II of France overran Normandy and Anjou by 1204, and John’s attempt to recover them ended in defeat at the Battle of Bouvines in 1214. Baronial anger at his taxation and arbitrary rule forced him to seal Magna Carta in 1215. Conflict continued under Henry III, whose reign was challenged by Simon de Montfort and a baronial movement that summoned the parliament of 1265.
When the direct Capetian line of France failed in 1328, Edward III pressed a claim to the French throne through his mother, Isabella of France. The dispute, tangled with the old problem of English-held Aquitaine, opened the Hundred Years’ War in 1337.
English armies won famous victories at the Battle of Crécy in 1346 and the Battle of Poitiers in 1356, where Edward’s son the Black Prince captured the French king. A second wave under the Lancastrian Henry V brought the crushing victory at the Battle of Agincourt in 1415 and the Treaty of Troyes in 1420, which recognised Henry as heir to France — a settlement that collapsed within a generation.
The dynasty split into rival branches descended from the sons of Edward III. The House of Lancaster, from John of Gaunt, took the throne when Henry IV deposed Richard II in 1399. The House of York, from Edmund of Langley, pressed a competing claim through a senior female line.
From 1455 the two branches fought the dynastic civil wars later called the Wars of the Roses. The crown passed between Lancastrian Henry VI and Yorkist Edward IV before Richard III, the last Plantagenet king, was killed at Bosworth Field in 1485. Henry Tudor took the throne as Henry VII and married Elizabeth of York, uniting the claims and ending Plantagenet rule.
The Plantagenets were England’s longest-reigning royal house, and their three centuries shaped institutions that outlasted them. The common law, the jury, the Exchequer, and above all Parliament — which grew from the great councils and the assemblies summoned under Henry III and Edward I — became permanent features of English government.
The name "Plantagenet" itself was rarely used by the medieval kings; it was revived as a dynastic surname by Richard, Duke of York, in the 15th century and popularised by later historians. Their tombs at Fontevraud, Westminster, and Canterbury, and the enduring three-lion arms of England, remain the most visible traces of the dynasty.