Lambert II of Louvaine
Lambert II was the Count of Leuven. He was the son of Lambert I of Leuven and Gerberga of Lower Lorraine, the daughter of Charles of Lower Lorraine and Adelaide of Troyes.
During his reign Brussels began its growth. Lambert arranged to transfer the remains of Saint Gudule to the St. Michael church, now known as St. Michael and Gudula Cathedral. Lambert also constructed a fortress on the Coudenberg hill.
Lambert married Oda of Verdun, the daughter of Gozelo I and Urraca of Italy.
According the Vita Gudilae (recorded between 1048-1051) he followed his brother Henry I of Leuven.
Lambert scorned both temporal and spiritual authorities and in 1054, he took up arms against Holy Roman Emperor Henry III. He was defeated and lost his life at Tournai.