Lamberto, Lord of Monaco

Lamberto Grimaldi (c. 1420 – March 1494) was Lord of Monaco from 16 March 1458. He was married to his seventh cousin Claudine Grimaldi in 1465, per the wishes and legal Will and testament of her late brother, Lamberto was of the branch of the Grimaldi family which had settled in Antibes while Claudine was of the more powerful Monaco branch. Grimaldi had one brother, Jean-André, in the church and another brother, Louis, in the military. from the population of Monaco. His marriage to Claudine ensured the continuity of Monaco's rule by a Grimaldi. Claudine was nominally her brother's successor, but all power as Seigneur of Monaco was in her husband's hands and their marriage legitimized the succession for their descendants. The succession was legally secured to the children of Lamberto and Claudine, in order of birth, on August 14, 1483. He also established the Grimaldi motto "With God's help." He was religious and studious, according to Bernardy, and had "studied hard" at the University of Pavia.

He and Claudine had at least six children:

Jean (1468 – 11 October 1505) Louis (deemed insane and barred from the inheritance) Bianca Augustino, Bishop of Grasse (1482 – 14 April 1532) Françoise (died before 1523); married Luc Doria, her son Bartholomew Doria murdered her brother Lucien Lucien (1487 – 22 August 1523)