Blanche f. Old French blanc 'white, pale', from Old High German blanch, Middle High German blanc. Fem. of Blanch.
The name of a 12th C queen of Castille, a 13th C queen consort of Navarre, a 13th C queen consort of France, a 14th C queen consort of Norway, two 14th C queen consorts of France, a 14th C queen consort of Germany and Bohemia, and two 15th C queens of Navarre.