John William Ponsonby, fourth earl of Bessborough (1781-1847)
The son of Frederick Ponsonby, third earl of Bessborough (d. 1844) and elder brother of
Lady Caroline Lamb; he was a Whig MP (1805-34), home secretary (1834-35), and
lord-lieutenant of Ireland (1846-47).
The son of Frederick Ponsonby, third earl of Bessborough (d. 1844) and elder brother of
Lady Caroline Lamb; he was a Whig MP (1805-34), home secretary (1834-35), and
lord-lieutenant of Ireland (1846-47).
