Complex sentence: Lady Bullock's husband Sir Christopher Bullock, is a descendant of The Honourable Thomas FitzMaurice (MP) of Cliveden, the brother of the 1st Marquess of Lansdowne, William Petty FitzMaurice, Prime Minister of Great Britain, 1782-83.
Split into simpler sentences: Lady Bullock's husband Sir Christopher Bullock, is a descendant of The Honourable Thomas FitzMaurice (MP) of Cliveden. He is the brother of the 1st Marquess of Lansdowne, William Petty FitzMaurice, Prime Minister of Great Britain, 1782-83.