Lambert the Bearded (c. 950 – 12 September 1015) was the first person to be described as a count of Leuven (French Louvain) in a surviving contemporary record, being described this way relatively late in life, in 1003. He is also the patrilineal ancestor of all the future counts of Leuven and dukes of Brabant until his descendant John III, Duke of Brabant, who died in 1355.
He fought throughout his life towards the eventual successful establishment of his family in a long-lasting position of power, but Lambert was known throughout much of his life as a rebellious noble, from a rebel family. Lambert was eventually killed in battle at Florennes, fighting against his old enemy Godfrey "the childless", the Duke of Lower Lotharingia who represented royal authority in the region. One monastic writer, Dietmar of Merseburg, described him as the worst person in his whole country ― a country which mourned during his life, and rejoiced at his death.
Historical discussion about the life of Lambert is closely connected to that of his brother and ally Reginar IV. The two brothers entered Lotharingia aggressively from France after the death of their father in exile. They battled for status over decades, and some historians believe that their families only consolidated lasting acceptance after their deaths. Reginar IV, apparently the elder brother, claimed a county based in Mons in Hainaut as something which their father Reginar III had held. The basis of Lambert's claim on Leuven is less clear. It may for example have been granted to him by his father-in-law, the French Carolingian Duke Charles. It is also unclear whether Lambert already laid claim to the Brabant lordship of Brussels within his lifetime. Van Droogenbroeck, for example, has proposed that this territory to the west of Leuven only came to Lambert's family in later generations.
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Parentage
Lambert was a member of the 10th-century Lotharingian noble family known to modern historians as the Reginars, because of their frequent use of the personal name Reginar. (Medieval chronicles also give several of those Reginars the byname "Longneck".) His great uncle, Gilbert had ruled the formerly independent kingdom of Lotharingia as Duke. He switched allegiance between France and the Holy Roman Empire, and back again, and was killed for this rebellion against his wife's family, the German Ottonians in 939.
Lambert was the son of Gilbert's nephew Reginar III who helped lead a French attempt to take over Lotharingia in 944, and was exiled from the Holy Roman Empire in about 958 after being defeated in another Lotharingian rebellion. By this time the Duke of Lotharingia, Bruno, Archbishop of Cologne, was a loyal member of the Ottonian royal family.
Reginar III died in exile in Bohemia in 973, and soon after his sons Lambert and Reginar IV launched their first failed invasion of Lotharingia, attempting to take control of lands in the county of Hainaut which had belonged to their father.
Life
In his chronicle entry for 973, Sigebert of Gembloux mentioned that Reginar and Lambert, sons of Reginar (III) Longneck, fought and killed Count Werner and his brother Rainold, who were occupying the county once held by Reginar III. They attacked at Péronnes-lez-Binche and took a fort called "Buxude" above the Haine, the river which Hainaut is named after. This was either Boussu west of Mons, or Boussoit to the east at La Louvière. Among the sources which confirm this killing, the chronicle known as the deeds (Gesta) of the bishops of Cambrai adds that the new young German emperor Otto II, when he heard of this, gathered a force to besiege them, and then destroyed the castle, took them captive, and banished them from the country. The Gesta claims that Werner and Rainold had been assigned by Duke Bruno to govern Hainaut after the death of Count Richar, who had died the year before. It also notes that after this defeat Lambert and his brother engaged in plundering and disturbances of the peace, and then withdrew to Carolingian-ruled northern France where they improved their military practices and gained the support of Charles, Duke of Lower Lorraine, a rebellious younger brother of the French King Lothair of France, who was one of the last ruling members of the Carolingian dynasty, and Eudes, the son of his ally and kinsman Adalbert I, Count of Vermandois.
In his entry for 976 Sigebert mentioned that "the sons of Reginar Longneck" invaded Mons, this time with Charles. They fought against the counts Godfrey "the captive" and Arnulf of Valenciennes, who had been assigned the "county of Mons" after the deaths of Werner and Rainold. Godfrey and his family, which is today known as the House of Ardenne, were Lotharingian adherents of the Ottonian kings of Germany, and opponents of the Lotharingian claims of the French Carolingians. They held various bishoprics and counties throughout the 10th century. During the 10th and 11th century several of the dukes of upper and lower Lotharingia belonged to this family.
In Sigebert's entry for the year 977, which mentions that Charles was made Duke of Lower Lorraine at this time, Lambert and his brother Reginar IV are also mentioned. The entry notes that Lambert married Gerberga, the daughter of Charles, and his brother Reginar IV married the daughter of another French king, Hugh Capet, ancestor of the Capetian dynasty. According to the historian Ferdinand Lot, however, in 977 it was Charles who was married, and his daughter must have married later. Sigebert also mentioned that Lambert and his brother Reginar IV were relocated in the lands of their father (in terra patrum suorum relocavit). It is believed that they did not yet have full control of the counties they would eventually hold, but for example historian Jean-Louis Kupper believes that they received part.
Death
12 September 1015, at Florennes, Lambert was killed in battle. Lambert was once again supported by his nephew Reginar V. They were attacking Godfrey II and his brother Count Herman. Dietmar's report of his death described Lambert as the much hated son of Reginar, who was the worst person in his whole country, and had strangled many people in churches with bell ropes.
Legacy
After the death of Lambert, the Gesta of the bishops of Cambrai explains that bishop Gerard initially opposed the idea that, in the interests of peace, Reginar IV's son Count Reginar V should marry the daughter of count Herman, uniting the two opposed families. He argued that the couple were too closely related according to the strict papal rules of the time. (They were said to be connected in the 4th and 5th degree, although their relationship is no longer known.) However, he accepted it on advice from other bishops. The historian Michel de Waha has argued that the family only gained full legitimacy in their father's county of Hainaut after this marriage.
Many of Lambert's generation of friends and enemies died soon after, leading to a fundamental rebalancing of power that eventually favoured his family, and reduced the power of the dynasty of the Godfreys, the Verdun branch of the House of Ardenne. As recounted by Dietmar, Wichmann of Vreden was killed in 1016, thus putting Balderic, who was suspected to be involved, at odds with Emperor Henry II. Godefrey II also later defeated Gerhard in a separate battle which began as a judicial duel in 1017, capturing both Count Balderic, and Gerhard's son Siegfried. In 1018, Godfrey and Gerhard were forced to make peace by the emperor, and Balderic was also reconciled with the emperor, but Godfrey II was then crushingly defeated and captured later that year when leading imperial forces against another rebel, Dirk III, Count of Holland, whose mother, like Gerhard's wife, was a sister of the emperor's wife Cunegunde.
Despite the criticisms of the chronicles, there were many factors influencing their depiction of Lambert, including imperial politics. The chronicle of the bishops of Cambrai, in its entry for 1017, openly complains that the sisters-in-law of Emperor Henry II had been arousing rebellions against the status quo, which it associated with their bishop Gerard and his cousin Godfrey II. Apart from the balance of power in Lotharingia, another matter of dispute which influenced these alliances was the imperial succession. Henry II's successor was Conrad II, the son of Count Gerhard's sister, who Dietmar says was injured by Godfrey II's forces in 1017.
Wife and children
Lambert was the husband of Gerberga of Lower Lorraine, and father of:
Henry I, Count of Louvain,
Lambert II, Count of Louvain, also known as Balderic, was his brother's heir, and married Oda, a granddaughter of his father's old-enemy Godfrey the captive. They are ancestors of further counts of Leuven (Louvain) and Dukes of Brabant.
Reinier (Reginar) Van Droogenbroeck has proposed his existence based on records of his grandson Baldwin of Brussels, and proposes that another grandchild is Richilde, Countess of Hainaut.
Matilda (Maud) of Louvain, countess of Boulogne as wife of Eustace I of Boulogne
