Career
He was elected to the House of Commons for Wenlock in 1790, a seat he held until 1820. The latter year he was raised to the peerage as Baron Forester, of Willey Park in the County of Shropshire. Lord Forester married Lady Katherine Mary Manners, daughter of Charles Manners, 4th Duke of Rutland, in 1800.
He died of gout at Belgrave Square, London in 1828, aged 61, and was buried at Willey parish church.
Lady Forester died in 1829. His descendants would later be in the British line of succession to the throne through his descendant Princess Alice, Duchess of Gloucester and Mary, Princess Royal and Countess of Harewood, the wife of his great-grandson, Henry Lascelles, 6th Earl of Harewood.