Charles I, Lord of Monaco of Naples). In 1346 he took the Lordship of Menton and, in 1355, he conquered the Lordship of Roquebrune. On June 29, 1352, Charles designed a co-rulership of Monaco between his uncle Antonio (his father's youngest brother), and his own sons, Rainier II and Gabriele. Charles I married Lucchina Spinola, a daughter of Girardo Spinola, Lord of Dertonne. They had eight children: Charles I, Lord of Monaco Charles I of Monaco (died August 15, 1357) was Lord of Monaco and the founder of the Grimaldi dynasty. The oldest son of Rainier I by his first wife, Salvatica del Carretto, Charles
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