Background
He was the son of Henry de la Poer Beresford, 6th Marquess of Waterford and Lady Beatrix Frances Petty-FitzMaurice.
second lieutenant Marquess of Waterford
He was the son of Henry de la Poer Beresford, 6th Marquess of Waterford and Lady Beatrix Frances Petty-FitzMaurice.
He served as a Second Lieutenant in the Royal Regiment of Horse Guards but died at age 33 in a shooting accident in the gun room at the family seat, Curraghmore, in Company Waterford. They had two children:
Sir John Hubert de la Poer Beresford, 8th Marquess of Waterford (14 July 1933 - 12 February 2015)
Lord Patrick Tristam de la Poer Beresford (16 June 1934 - ).