| Maccus mac Arailt, Gofraid mac Arailt|
Hagrold (fl. 944–954), also known as Hagroldus, Harold, and Harald, was a powerful tenth-century Viking chieftain who ruled Bayeux. He was apparently a pagan from Scandinavia, and seems to have seized power in Normandy at about the time of the death of William, Count of Rouen. His career can be interpreted in the context of aiding the Normans against the intrusion of Frankish authority, or conversely in the context of taking advantage of the Normans.
Following the assassination of William, Count of Rouen (died 942), a man whose son and successor, Richard was merely a child, the Franks took steps to extend their authority into neighbouring Normandy. In 944, according to an account of events preserved by the contemporary commentators Flodoard and Richer of Reims, in the wake of the confusion in Normandy, Louis IV, King of the Franks gave Hugh, Duke of the Franks permission to seize control of the town of Bayeux. Although the duke proceeded to assail the settlement, before he gained control the king reneged on his promise whereupon Hugh left the region.
According to the accounts of Flodoard and Richer, Hagrold captured Louis in 945, after which Hugh eventually secured the king's release through negotiations. The fact that Hagrold is described as in charge of Bayeux in these accounts suggests that he led the successful defence of the town in the preceding year. He was clearly a considerably powerful figure to have not only gained power but withstand Frankish aggression. At this point in history, even before William's assassination, Norman comital power encompassed little more than the outskirts of Rouen. Hagrold—apparently a pagan from Scandinavia—seems to have ruled Bayeaux as his personal domain, and apparently stood independent from both the Franks and Normans. The political disarray in Denmark at about this time would have likely contributed to such settlement in Normandy, and could account from Hagrold's presence there. The successive waves of Scandinavian settlers into Lower Normandy during this period likely contributed to the lack of comital power.
On one hand, it is possible that, following William's death, Hagrold seized control of parts of the Cotentin with foreign support, and extended his authority to Bayeux. On the other hand, Hagrold may have operated in the context of aiding the Normans of Rouen to oppose the Franks. Although he likely defended Bayeux from Louis and Hugh in 944, Hagrold's capture of Louis the following years suggests that he volunteered to assist Hugh against the king. Religious affiliations played appear to have been factor in the political alignments of tenth-century Normandy. According to Flodoard, many pagans from Scandinavia arrived in Normandy in 943, leading some Normans to revert from Christianity to paganism. Long after Hagrold's floruit, Norman secular and ecclesiastical authority in Bayeux remained precarious. Hagrold appears on record as late as 954, when Richard and Hugh are recorded to have attacked Bayeux.
What came of Hagrold is uncertain. One possibility is that he and his family removed to the Irish Sea region, and that his descendants were the Meic Arailt, a family that contested control of this region with the Meic Amlaíb branch of the Uí Ímair. On the other hand, the evidence concerning the Meic Arailt seems to indicate that this family—represented in the second generation by Gofraid mac Arailt (died 989) and Maccus mac Arailt (fl. 971–974)—was merely a branch of the Uí Ímair itself.
Whilst the historical accounts of Flodoard are generally reliable, the same cannot be said of the treatment of the tenth century by Dudo of Saint-Quentin (died 1043). In the historical narrative constructed by this eleventh-century chronicler, Hagrold was transformed into a Danish king who arrived in Normandy to aid the young the Count of Rouen during his minority. Dudo's use of Hagrold in this context seems to be an attempt to explain the presence of fiercely independent pagan Vikings in Normandy without compromising the myth of a cohesive Norman state and a Norman religion. Like Dudo, the eleventh-century William of Jumièges (fl. 1026–1070) identified Hagrold as a Danish king, and conflated him with the latter's contemporary namesake, Harald Bluetooth, King of Denmark (died 987/988).