Lady Kathleen Pelham-Clinton-Hope Daughter of the late 9th Duke of Newcastle (1951–2016) Parents Diana Montagu-Stuart-Wortley Henry Pelham-Clinton-Hope, 9th Duke of Newcastle Children Sean Pelham-Clinton Roxanna Pelham-Clinton Siblings Lady Patricia Pelham-Clinton-Hope Partners Khun Chaiyoot Chamnanlertkit Edward Vernon Reynolds