Note: According to the ODNB, this union produced 5 other surviving children, while the DNB notes that the union produced 2 other sons (John and Thomas) and 5 daughters
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)
