 Simon was father of a second Thurstan, who was active in the 1250s under Henry II, to be followed by his son Walter as "Dispensator Regis".Walter was succeeded by his brother Aymer, "Dispensator Regis" under king John, and Aymer's son Thurstan le Despenser, who served under Henry III, dying in 1249.He was followed by a son, Adam le Despenser, who was summoned by Edward I of England to perform military service and in 1283 to attend on the king in what was a precursor to the first royally-convened Parliament.