Flag of present day's Île-de-France.
In 1328, the coat-of-arms of the House of Valois was blue with gold fleurs-de-lis bordered in red. From this time on, the kings of France were represented in vignettes and manuscripts wearing a red gown under a blue coat decorated with gold fleurs-de-lis. 

Louis88 16:05, 30 September 2007 (UTC)
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