Peter I was the King of Aragon and Navarre for a decade from 1094 until his death. He was the son and successor of Sancho V Ramírez by his first wife, Isabella of Urgell. He was named in honour of Saint Peter, because of his father's specia...

Henry I was the fourth son of William I of England. He succeeded his elder brother William II as King of England in 1100 and defeated his eldest brother, Robert Curthose, to become Duke of Normandy in 1106. He was called Beauclerc for his s...

Alfonso I, called the Battler or the Warrior (Spanish: el Batallador), was the king of Aragon and Navarre from 1104 until his death in 1134. He was the second son of King Sancho Ramírez and successor of his brother Peter I. With his marriag...

Anna Komnene, Latinized as Comnena, was a Greek princess, scholar, physician, hospital administrator, and the daughter of Emperor Alexios I Komnenos of Byzantium and Irene Doukaina. She wrote the Alexiad, an account of her father’s reign, w...

Roger II was King of Sicily, son of Roger I of Sicily and successor to his brother Simon. He began his rule as Count of Sicily in 1105, later became Duke of Apulia and Calabria (1127), then King of Sicily (1130). It is Roger II's distinctio...

Stephen, often referred to as Stephen of Blois, was a grandson of William the Conqueror. He was King of England from 1135 to his death, and also the Count of Boulogne jure uxoris. His reign was marked by civil war with his cousin and rival...

Empress Matilda, also known as Matilda of England or Maude, was the daughter and heir of King Henry I of England. Matilda and her younger brother, William Adelin, were the only legitimate children of King Henry to survive to adulthood. Will...

Emperor Gaozong, born Zhao Gou, was the tenth emperor of the Song Dynasty of China, and the first emperor of the Southern Song. He reigned from 1127 to 1162. He fled south after the Jurchens overran Kaifeng hence the beginning of the Southe...

Afonso I of Portugal (English Alphonzo), more commonly known as Afonso Henriques, was the first King of Portugal, declaring his independence from León. Afonso was the son of Henry of Burgundy, Count of Portugal and Teresa of León, the illeg...

Manuel I Komnenos, Latinized Comnenus, also called Porphyrogennetos ("born in the purple"), was a Byzantine emperor of the 12th century who reigned over a crucial turning point in the history of Byzantium and the Mediterranean. His reign sa...

Frederick I Barbarossa was elected King of Germany at Frankfurt on 4 March 1152 and crowned in Aachen on 9 March, crowned King of Italy in Pavia in 1154, and finally crowned Holy Roman Emperor by Pope Adrian IV on 18 June 1155. He was crown...

Eleanor of Aquitaine was one of the wealthiest and most powerful women in western Europe during the High Middle Ages, a member of the Ramnulfid dynasty of rulers in southwestern France. She became Duchess of Aquitaine in her own right while...

Henry the Lion was a member of the Welf dynasty and Duke of Saxony, as Henry III, from 1142, and Duke of Bavaria, as Henry XII, from 1156, which duchies he held until 1180. He was one of the most powerful German princes of his time, until t...

Henry II ruled as King of England (1154–1189), Count of Anjou, Count of Maine, Duke of Normandy, Duke of Aquitaine, Duke of Gascony, Count of Nantes, Lord of Ireland and, at various times, controlled parts of Wales, Scotland and western Fra...

Saladin was the first Sultan of Egypt and Syria and the founder of the Ayyubid dynasty. A Muslim of Kurdish origin, Saladin led the Muslim opposition to the European Crusaders in the Levant. At the height of his power, his sultanate include...