Claudine, Lady of Monaco Claudine, Lady of Monaco Claudine or Claudia ( – 19 November 1515) was Lady regnant of Monaco between 1457 and 1458, and then Lady consort of Monaco as spouse of Lord Lambert of Monaco. Claudine was the only child of her father, Catalan Grimaldi, and thereby his heir. At his death, her father stated in his will that she should marry her cousin to ensure that the Grimaldi family should keep the throne of Monaco. She became Lady of Monaco at her father's death in 1457. Being a minor, she was under the regency of her paternal grandmother, Pomelline Fregoso.
Monaco succession crisis of 1918 to one form or another of proximity of blood, and the Grimaldis' hitherto exclusive control of Monaco's dynastic marital policy was what threatened to enthrone a German duke on France's border, even after the Empire's defeat in war. Just as the ruling families of Britain, Russia, Belgium, and the Netherlands had all become patrilineally German by the twentieth century due to the propensity of monarchical heiresses, seeking dynastically equal marriages, to choose husbands from among Germany's many minor princely families, Monaco was on the verge of the same fate. Although the Grimaldis did not require inter-marriage with royalty by law