1911 Encyclopædia Britannica, Volume 28… (1911)
“ WARREN, WILLIAM (1812–1888) , American actor, was born in Philadelphia on the 17th of November 1812, the son of an English actor (1767–1832) of the same name. His first stage appearance was made there as Young Norval in Home’s Douglas in 1832. A dozen years of wandering theatrical life followed, giving him a wide experience in every kind of part, the last few in comedy in a company headed by his brother-in-law, J. B. Rice. ”
