A Biographical Dictionary of the Celebrated Women of Every Age and Country/Sibilla
SIBILLA, Wife of Robert, Duke of Normandy, eldest Son of William the Conqueror; a Prince of a generous and noble Spirit, who was tenderly beloved by his Friends.
Having beep wounded by a poisoned arrow, the physicians declared nothing could save him, but the venom's being sucked from his wound by some one, whose life must fall a sacrifice. Robert disdained to save his own by hazarding that of another; but Sibilla did this in his sleep, and died to save her husband.
Rivalité de la Fr. & de l'Ang.