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.