Note: While both children were raised as William Carey's children, there is the possibility that both were the offspring of Boleyn's affair with Henry VIII between about 1522 and 1525
The Complete Peerage of England, Scotland, Ireland, Great Britain, and the United Kingdom. 1887–98 (8 vols); 1910–59 (13 vols). 6 vols. Gloucester: Alan Sutton, 1982.
Oxford Dictionary of National Biography. 01/05/2005 (http://www.oxforddnb.com)