Burke, Sir Bernard. [Burke's peerage] : A genealogical and heraldic dictionary of the peerage and baronetage, together with memoirs of the privy councillors and knights / edited by his son. 61st edition. London : Harrison & Sons, 1899. [Searchable online at the UK Genealogy Archives]
The Times, 12 November 1844, page 7 (Death notice)

Acknowledgements (Thomas Eden, of The Bryn)