Earl of Lytton
On 1933, Lord Erne married Lady Davidema Katharine Cynthia Mary Millicent Bulwer-Lytton (1909–1995), daughter of Victor Bulwer-Lytton, 2nd Earl of Lytton, and Pamela Plowden. Together, they lived at Knebworth, Hertfordshire, and were the parents of: