Kenneth II of Scotland in the context of "King Edgar's council at Chester"

Gruoch ingen Boite (fl. c. 1015 – unknown) was a Scottish queen, the daughter of Boite mac Cináeda, son of Cináed II. The dates of her life are uncertain. She is most famous for being the wife and queen of MacBethad mac Findlaích (Macbeth), as well as the basis for Lady Macbeth in Shakespeare's Macbeth. However, Shakespeare's Macbeth is based on Holinshed's Chronicles (published in 1577) and is not historically accurate.

Lulach mac Gille Coemgáin (Modern Gaelic: Lughlagh mac Gille Chomghain, known in English simply as Lulach, and nicknamed Tairbith, "the Unfortunate" and Fatuus, "the Simple-minded" or "the Foolish"; c. 1032 – 17 March 1058) was King of Alba (Scotland) between 15 August 1057 and 17 March 1058.

Lulach was the son of Gruoch of Scotland, from her first marriage to Gille Coemgáin, Mormaer of Moray, and thus the stepson of Macbeth (Mac Bethad mac Findlaích). Through his mother, he was also the great-grandson of either Kenneth II or Kenneth III. Following the death of Macbeth at the Battle of Lumphanan on 15 August 1057, the king's followers placed Lulach on the throne. He has the distinction of being the first king of Scotland of whom there are inauguration details available: he was inaugurated, probably on 8 September 1057 at Scone. Lulach appears to have been a weak king, as his nicknames suggest, and ruled only for a few months before being assassinated and usurped by Malcolm III. However, it is also plausible his nicknames are the results of negative propaganda, and were established as part of a smear campaign by Malcolm III.

Boite mac Cináeda ("Boite son of Kenneth"; also, Bodhe, Boedhe, etc.; d. 1058) was a Scottish prince, son of either King Kenneth II of Scotland (Cináed mac Maíl Coluim) or King Kenneth III of Scotland (Cináed mac Duib).

He was the father of Gruoch of Scotland and friend to Findláech of Moray, Macbeth of Scotland's father. He arranged the marriage of Macbeth and Gruoch in 1032, which permitted Macbeth to assume the throne of Scotland in 1040. Later, he was behind the short-lived ascension of his grandson, Lulach, to the throne in 1057.

Oslac ealdorman (or earl) of York from around 963 to 975. His territory included but may not have been limited to the southern half of Northumbria. His background is obscure because of poor source documentation. The latter has facilitated disagreement amongst historians regarding his family and ethnicity.

He may have been an ealdorman of southern—as opposed to a united—Northumbria, though an alternative tradition puts the division of Northumbria into two ealdormanries after his death. Little is known of his career as ealdorman, except for a legend that he escorted the Scottish king Kenneth II to the English royal court, and that he was expelled from England in 975. His life is unattested after this. He had one known son, but it is not clear if that son ever succeeded him.

Eadwulf Cudel or Cutel (meaning cuttlefish) (died early 1020s), sometimes numbered Eadwulf III, was ruler of Bamburgh for some period in the early eleventh century. Following the successful takeover of York by the Vikings in 866/7, southern Northumbria became part of the Danelaw, but in the north English rulers held on from a base at Bamburgh. They were variously described as kings, earls, princes or high-reeves, and their independence from the kings of England and Scotland is uncertain. Uhtred the Bold and Eadwulf Cudel were sons of Waltheof, ruler of Bamburgh, who died in 1006. He was succeeded by Uhtred, who was appointed by Æthelred the Unready as earl in York, with responsibility for the whole of Northumbria. Uhtred was murdered in 1016, and king Cnut then appointed Erik, son of Hakon, earl at York, while Eadwulf succeeded at Bamburgh.

In 1018, the Northumbrians of Bamburgh were defeated by Malcolm II of Scotland in the Battle of Carham. In one twelfth-century Durham source, De obsessione Dunelmi, Ealdulf is described as "a very lazy and cowardly man", who ceded Lothian, the northern part of Bernicia, to the Scots—though the historicity of this claim is disputed, one of several twelfth-century English accounts that try to explain the 'loss' of Lothian to Scotland. Another twelfth-century tradition relates that Lothian had been under Scottish control since the time that King Edgar ceded it to Kenneth II of Scotland in the early 970s. Recently, it has been argued that Lothian remained part of the principality of Bamburgh until its dissolution around 1090, during the reign of Malcolm III.