Jean I Grimaldi (Giovanni I Grimaldi) (c. 1382 – 1454) was

Lord of Monaco This article lists the rulers of Monaco. Most belong to the House of Grimaldi; exceptions, which consist primarily of the principality's administrators under periods of foreign occupation, are noted. History The House of Grimaldi, descended fr ...

three times; 1395, jointly with his brothers

Ambroise Ambroise, sometimes Ambroise of Normandy,This form appeared first in (flourished ) was a Norman poet and chronicler of the Third Crusade, author of a work called ', which describes in rhyming Old French verse the adventures of as a crusade">-4; ...

and Anthony II from 1419 to 1436, and he held the title by himself from 1436 until 1454.Genealogy
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1380s births 1454 deaths 14th-century lords of Monaco 15th-century lords of Monaco House of Grimaldi Lords of Monaco {{Monaco-bio-stub