René Poupardin, 1911 Encyclopædia Britannica (1911)
“ After the accession of Francis II., the young duke returned to Lorraine, and, while his cousins the Guises endeavoured to make good the claims of the house of Lorraine to the crown of France by virtue of its descent from the Carolingians through Charles, the son of Louis d’Outremer, he devoted himself mainly to improving the administration of his duchy. ”
