Lord Waterford eloped with Florence Grosvenor Rowley, wife of
John Vivian and married her on 9August 1872. She died on 4 April 1873, along with her stillborn child. He married secondly, Lady Blanche Somerset, daughter of
Henry Somerset, 8th Duke of Beaufort, on 21July 1874. The second Lady Waterford suffered from a
severe illness which left her an invalid. She had a special carriage designed to carry her around the estate at
Curraghmore. Lord Waterford and his second wife had four children: •
Henry de la Poer Beresford, 6th Marquess of Waterford (1875–1911) • Lady Mary Beresford (1877–1877), died in infancy • Lady Susan de la Poer Beresford, twin sister of Lady Mary (1877–1947), married Major Hon. Hugh Dawnay, son of
Hugh Dawnay, 8th Viscount Downe and had issue, including
Maj-Gen Sir David Dawnay •
Lady Clodagh Beresford (1879–1957), married Hon. Claud Anson, son of
Thomas Anson, 2nd Earl of Lichfield and had issue He owned 66,000 acres including 39,000 in Waterford and 26,000 in Wicklow. Lord Waterford committed suicide in October 1895, aged 51, and was succeeded in the marquessate by his only son, Henry. Many national newspapers expressed their sorrow at Lord Waterford's suicide, especially given his position in society. ==References==