Cassandra Willoughby, Duchess of Chandos British historian, travel writer and artist (1670–1735) (1670–1735) Parents Francis Willughby Emma Barnard Children Siblings Thomas Willoughby, 1st Baron Middleton Sir Francis Willoughby, 1st Bt. Richard Child, 1st Earl Tylney Partners James Brydges, 1st Duke of Chandos