First Kings of the Harrowings (669 - 724)
Through bloody conquest, the six kingdoms were finally unified in 669, albeit reluctantly at first, under King Wehha of the Kingdom of Haremere. By 669, all of the Old Harrowish kingdoms had been conquered under the rule of the Haremere king styled King of the Harrows. Only the Gwynnic-controlled regions in the west remained outside the King’s control.
By this time, the differences between the individual tribal cultures in Harrow had gradually diminished and unified. In Strathearn and Gwyneth the Brehon language was declining while the Harrowish language was becoming dominant and gradually displacing the Brehon language in those areas. This accompanied a cultural shift away from Celtic Brehon culture in the southern uplands and towards a more mainstream, centralised Harrowish culture as the Harrowings were the dominant power and culture in northern Britain. Celtic power in Britain was centred in the deep south of the island, far away from the weak Brehon kingdoms living so close to an alternate centre of power in the north. Harrowish identity and culture was never a static, exclusive thing, however. In this time of upheaval and cultural shift on the island of Britain ethnic identities were subject to fluidity and change. One of the few static elements of Harrowish identity at this stage was that of a community of Harrowish-speakers. The cultural identity, while firmly tied to the original Germanic Harrowings, was infused with the residual influences of the Celtic contributions of the Brehons and Gwynns, as well as the cultural influences Christianity had brought. Later, Harrowish identity would incorporate elements of Christendom and Norse Viking culture and would form into an inclusive Harrowish ethnic national identity separate from the strict tribal identity of the Old Harrowings that the different cultural groups were amalgamated into.
King Pybba, Wehha's son, led a series of raids and attacks on northern and eastern Hibernia during his reign, for the purpose mainly of financial gain and for abducting native Hibern people to bring back and use as slaves and labourers. He came back from a particularly extensive raid in 714 to find that Icel, his brother who was acting in his place while he was away, had seized his throne and done away with many loyal men. Pybba was outraged, but Icel had him exiled – to Hibernia, where he was never heard from again.
The Harrovian overkingdom or overlordship (not a true kingdom) generally maintained a period of peace, in which the individual petty kings, who were subject to the Haremerian king's suzereignty, rallied behind the overking. Harrovian territory at this point had only occupied the northernmost region of Albion, although the border for a long time was blurred, and had long been subject to war between the Cheltish petty kingdoms and Harrow. King Cnebba, left weak and defeated by the border wars, was killed in a rebellion led by the chieftains of the eastern highlands, and Harrow once again descended into a state of warring kingdoms in 724.