The House of Knýtlinga (English

English language

English is a West Germanic language that arose in the Anglo-Saxon kingdoms of England and spread into what was to become south-east Scotland under the influence of the Anglian medieval kingdom of Northumbria...

: House of Cnut 's Descendants) were a ruling royal house

Royal House

A royal house or royal dynasty consists of at least one, but usually more monarchs who are related to one another, as well as their non-reigning descendants and spouses. Monarchs of the same realm who are not related to one another are usually deemed to belong to different houses, and each house is...

 in Middle Age

Middle age

Middle age is the period of age beyond young adulthood but before the onset of old age. Various attempts have been made to define this age, which is around the third quarter of the average life span of human beings....

 Scandinavia

Scandinavia

Scandinavia is a cultural, historical and ethno-linguistic region in northern Europe that includes the three kingdoms of Denmark, Norway and Sweden, characterized by their common ethno-cultural heritage and language. Modern Norway and Sweden proper are situated on the Scandinavian Peninsula,...

 and England

Kingdom of England

The Kingdom of England was, from 927 to 1707, a sovereign state to the northwest of continental Europe. At its height, the Kingdom of England spanned the southern two-thirds of the island of Great Britain and several smaller outlying islands; what today comprises the legal jurisdiction of England...

. Its most famous king was Cnut the Great, who gave its name to this dynasty

Dynasty

A dynasty is a sequence of rulers considered members of the same family. Historians traditionally consider many sovereign states' history within a framework of successive dynasties, e.g., China, Ancient Egypt and the Persian Empire...

.
Harthacnut II, Sweyn Forkbeard (Cnut's father), Harold Harefoot

Harold Harefoot

Harold Harefoot was King of England from 1037 to 1040. His cognomen "Harefoot" referred to his speed, and the skill of his huntsmanship. He was the son of Cnut the Great, king of England, Denmark, and Norway by Ælfgifu of Northampton...

, and Svein Knutsson were also members.

In 1018 AD, the House of Knýtlinga brought the crowns of England and Denmark together under a personal union

Personal union

A personal union is the combination by which two or more different states have the same monarch while their boundaries, their laws and their interests remain distinct. It should not be confused with a federation which is internationally considered a single state...

. At the height of its power, in the years 1028–1030, the House reigned over Denmark

Denmark

Denmark is a Scandinavian country in Northern Europe. The countries of Denmark and Greenland, as well as the Faroe Islands, constitute the Kingdom of Denmark . It is the southernmost of the Nordic countries, southwest of Sweden and south of Norway, and bordered to the south by Germany. Denmark...

, England

Kingdom of England

The Kingdom of England was, from 927 to 1707, a sovereign state to the northwest of continental Europe. At its height, the Kingdom of England spanned the southern two-thirds of the island of Great Britain and several smaller outlying islands; what today comprises the legal jurisdiction of England...

, Norway

Norway

Norway , officially the Kingdom of Norway, is a Nordic unitary constitutional monarchy whose territory comprises the western portion of the Scandinavian Peninsula, Jan Mayen, and the Arctic archipelago of Svalbard and Bouvet Island. Norway has a total area of and a population of about 4.9 million...

, and parts of Sweden

Sweden

Sweden , officially the Kingdom of Sweden , is a Nordic country on the Scandinavian Peninsula in Northern Europe. Sweden borders with Norway and Finland and is connected to Denmark by a bridge-tunnel across the Öresund....

. After the death of Cnut the Great's heirs within a decade of his own and the Norman conquest of England

Norman conquest of England

The Norman conquest of England began on 28 September 1066 with the invasion of England by William, Duke of Normandy. William became known as William the Conqueror after his victory at the Battle of Hastings on 14 October 1066, defeating King Harold II of England...

in 1066, the legacy of the Knýtlinga was largely lost to history.