Short answers, pulled from the story.
Henry Richard Vassall-Fox entered the world at Winterslow House in Wiltshire on the 21st of November 1773. His father Stephen Fox, the 2nd Baron Holland, died when Henry was only one year old.
He served as Lord Privy Seal between 1806 and 1807 during the Ministry of All the Talents led by Lord Grenville. Later appointments saw him serve as Chancellor of the Duchy of Lancaster from 1830 to 1834 and again from 1835 until his death in 1840.
Lord Holland received compensation under three separate awards for enslaved individuals on Jamaican estates through his wife Elizabeth Webster who was born Vassall. The government paid substantial sums to compensate owners for their lost human property despite the moral contradictions facing many aristocrats of the era.
Henry Richard Vassall-Fox died in October 1840 at age 66 leaving behind a complex family structure. Lady Holland passed away in November 1845 five years after her husband while London's Lambeth borough contains Vassall ward named after him due to development work begun in the 1820s.
Holland published political opinions collected as Opinions of Lord Holland in 1841 by Dr Moylan of Lincoln's Inn. He also wrote a small work on Lope de Vega published in 1806 plus a two-volume study released in 1817 covering Spanish playwrights Lope de Vega and Guillén de Castro.