Adelaide of Forcalquier (11th centuryafter 1129) was a suo jure reigning countess of Forcalquier from 1110 to 1129..Édouard Baratier, Histoire de la Provence, Toulouse, Editions Privat, 1990, 604 p. (ISBN 2-7089-1649-1)
She was the daughter of William Bertrand of Provence. She married Ermengol IV, Count of Urgell.
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