Willoughby Bertie, 4th Earl of Abingdon English peer and music patron (1740–1799) Parents Anna Maria Collins Willoughby Bertie, 3rd Earl of Abingdon Children Willoughby Bertie Lady Caroline Bertie Montagu Bertie, 5th Earl of Abingdon Frederic Bertie Willoughby Bertie, Lord Norreys Willoughby Bertie, Lord Norreys Peregrine Bertie Lady Charlotte Anne Emily Bertie Siblings Lady Elizabeth Bertie James Bertie, Lord Norreys Peregrine Bertie Lady Sophia Bertie Lady Bridget Bertie Lady Jane Bertie Lady Mary Bertie Partners Charlotte Warren
