He was the son of John Bardolf, 3rd Baron Bardolf and Honorary His maternal grandparents were Sir Roger Damory, Lord Damory and Lady Elizabeth de Clare, a granddaughter of King Edward I. In 1382, Bardolf had livery of his lands from the Crown. He was a descendant of William de Warenne, 2nd Earl of Surrey.
Elizabeth Damory, suo jure 2nd Baroness Damory. He was summoned to parliament from 20 January 1376 to 3 September 1385, as "William Bardolf of Wormegay". He served in the French and Irish wars, latterly under John of Gaunt, Duke of Lancaster.
Thomas Bardolf, 5th Baron Bardolf
William Bardolf
Cecily Bardolf (d 1432) married Sir Brian Stapleton, of Ingham (1379–1438), Sheriff of Norfolk, a veteran of the Battle of Agincourt, and had issue Sir Miles Stapleton.
Elizabeth Bardolf, wife of Robert Scales, 5th Lord Scales and secondly Sir Henry Percy, son of Sir Thomas Percy and Elizabeth Strabolgi. His widow remarried Sir Thomas Mortimer, illegitimate son of Roger Mortimer, 2nd Earl of March.
Thomas was attainted as a traitor in 1397 and died shortly before Agnes in 1403.
