E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
The eleven thousand virgins of Cologne, according to the legend, were born at Baoza in Spain, which contained only 12,000 families. The bones exhibited were taken from an old Roman cemetery, across which the wall of Cologne ran, and which were exposed to view after the siege in 1106. (See URSULA.)