Henry Wellesley, 1st Baron Cowley

Diplomat (younger brother to the Duke of Wellington).

No known connections with slavery.

According to ODNB, ‘On his return to Spain, Wellesley negotiated in 1817 a treaty abolishing the slave trade’. (G. Le G. Norgate, rev. John K. Severn, ‘Wellesley [formerly Wesley], Henry, first Baron Cowley (1773–1847)’, in C. Matthew et al. (eds), Oxford Dictionary of National Biography [online], Oxford 1992 -, <https://doi-org.lonlib.idm.oclc.org/10.1093/ref:odnb/29004> accessed 6 August 2021.)

Former owner of NG197: NG purchased this work from Henry Farrer in 1846.

History of Parliament Trust (ed.), The History of Parliament: British Political, Social & Local History, London 1964-, https://www.historyofparliamentonline.org/
Checked and not found — Item on publisher's website

G. Le G. Norgate and J. K. Severn, 'Wellesley [formerly Wesley], Henry, first Baron Cowley', in C. Matthew et al. (eds), Oxford Dictionary of National Biography, Oxford 1992-, https://doi.org/10.1093/ref:odnb/29004
Checked and found — Item on publisher's website

J. Turner et al. (eds), Grove Art Online, Oxford 1998-, https://www.oxfordartonline.com/groveart/
Checked and not found — Item on publisher's website

UCL Department of History (ed.), Legacies of British Slave-ownership, London 2020, https://www.ucl.ac.uk/lbs/
Checked and not found — Item on publisher's website