[1] He was also described as the "Governor of Ireland" when Lionel returned to England that year, leaving Thomas as his Deputy.
In 1372 Robert Bron was made Chief Serjeant of County Carlow and County Louth on account of "his good services done in the company of Sir Thomas de la Dale, Sir William de Windsor (the Lord Lieutenant) and others".
His son and heir, also named Sir Thomas de la Dale (died 1396), was a senior member of the household of Lionel's younger brother, John of Gaunt, Duke of Lancaster.
[2] This Thomas came of age in 1428 and obtained possession of the family estates, having rendered the customary feudal service.
[2] The de la Dales owned Barford until the male line of the family died out in the sixteenth century.