Humber the Hun was a legendary king of the Huns

Huns

The Huns were a group of nomadic people who, appearing from east of the Volga River, migrated into Europe c. AD 370 and established the vast Hunnic Empire there. Since de Guignes linked them with the Xiongnu, who had been northern neighbours of China 300 years prior to the emergence of the Huns,...

 as accounted by Geoffrey of Monmouth

Geoffrey of Monmouth

Geoffrey of Monmouth was a cleric and one of the major figures in the development of British historiography and the popularity of tales of King Arthur...

. According to Geoffrey, following the separation of Britain

British Iron Age

The British Iron Age is a conventional name used in the archaeology of Great Britain, referring to the prehistoric and protohistoric phases of the Iron-Age culture of the main island and the smaller islands, typically excluding prehistoric Ireland, and which had an independent Iron Age culture of...

 by Locrinus

Locrinus

Locrinus was a legendary king of the Britons, as recounted by Geoffrey of Monmouth. He was the oldest son of Brutus and a descendant of the Trojans through Aeneas. Following Brutus's death, Britain was divided amongst the three sons, with Locrinus receiving the portion roughly equivalent to...

, Kamber

Kamber

Camber, also Kamber, was the legendary first king of Cambria, according to the Geoffrey of Monmouth in the first part of his influential 12th-century pseudohistory Historia Regum Britanniae. According to Geoffrey, Cambria, the classical name for Wales, was named for him.Camber was the son of...

, and Albanactus

Albanactus

According to Geoffrey of Monmouth, Albanactus was the founding king of Albania or Albany. He was the youngest of three sons of Brutus, a descendant of Aeneas of Troy. According to legend, upon their father's death, the eldest son Locrinus was given Loegria, Camber was given Cambria and Albanactus...

, Humber invaded Albany

Scotland

Scotland is a country that is part of the United Kingdom. Occupying the northern third of the island of Great Britain, it shares a border with England to the south and is bounded by the North Sea to the east, the Atlantic Ocean to the north and west, and the North Channel and Irish Sea to the...

 and killed Albanactus in open battle. The remaining people fled south where Locrinus allied with Kamber and defeated Humber near a river. Humber drowned in that river, which was thereafter known as the Humber

Humber

The Humber is a large tidal estuary on the east coast of Northern England. It is formed at Trent Falls, Faxfleet, by the confluence of the tidal River Ouse and the tidal River Trent. From here to the North Sea, it forms part of the boundary between the East Riding of Yorkshire on the north bank...

, one of the main rivers of England

England

England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

.

When Locrinus raided Humber's ships after his death, he found Estrildis

Estrildis

Estrildis was the legendary daughter of the king of Germany according to Geoffrey of Monmouth. She was found in the ships of Humber the Hun after his defeat by Locrinus, son of Brutus. She was said to be the most beautiful woman of her time and Locrinus sought to marry her. Unfortunately,...

, the daughter of the King of Germany

Germany

Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...

there.