Oriana married E. S. P. Haynes, an Eton and Balliol scholar who became a dedicated divorce law reformer. They had three daughters, Renée, Celia and Elvira. Renée, a successful novelist, married Jerrard Tickell, an Irish writer. They had three sons, one of whom, Crispin, became a distinguished civil servant. The daughter of another son, Patrick, is Dame Clare Tickell, Chief Executive of Action for Children. Clare Tickell's brother, Adam, is Pro Vice Chancellor at the University of Birmingham, which grew out of Mason Science College which Thomas Huxley formally opened in 1880.