William Brabazon Ponsonby (1744-1806) was appointed joint postmaster-general of Ireland in 1784.
Portrait of William, 1st Baron of Ponsonby by Sir Thomas Lawrence, 1805
© New Walk Museum & Art Gallery
- Oil on canvas
- 122 x 100 cm
- Art Fund grant:
- £1,000 ( Total: £5,750)
- Acquired in:
He was a staunch Whig, and a steady adherent of Charles James Fox.