The 6th Earl Fitzwilliam, known as William Fitzwilliam, was a prominent British nobleman born in 1786. He inherited the title from his father in 1833 and was known for his significant contributions to the Whig Party and his involvement in local politics. He served as a Member of Parliament and was an advocate for social reform during his lifetime. Earl Fitzwilliam was also a notable landowner, managing vast estates in Yorkshire and Ireland. He was recognized for his philanthropic efforts, particularly in education and public health, and played a key role in the development of local infrastructure. He passed away in 1857, leaving a lasting legacy.