Sigillo, Robert De
Sigillo, Robert De, an English prelate, was preferred to the see of London by the empress Maud in 1141. When the Londoners revolted to king Stephen, the bishop was required to take the oath of allegiance to that revolution, which he refused. Pope Eugenius wrote to king Stephen and his queen, asking that. Sigilio be excused from taking the oath. He died in 1151. See Collier, Eccles. Hist. ii, 245.