Lords Appellant
1386 - Wonderful Parliament
1387 - Battle of Radcot Bridge
1388 - Merciless Parliament
Michael de la Pole was the eldest son of Sir William de la Pole (d. 1366) and Catherine Norwich, daughter of Sir Walter Norwich. His younger brother was Edmund de la Pole.
His father was a wool merchant from Hull who became a key figure during the reign of Edward III: after the collapse of the Bardi and Peruzzi families, he emerged as Edward's chief financier. Michael enjoyed even greater popularity at court than his father, becoming one of the most trusted and intimate friends of Edward's successor, Richard II.
He was appointed Chancellor in 1383, and created Earl of Suffolk in 1385, the first of his family to hold any such title. However, in the late 1380s his fortunes radically altered, in step with those of the king. During the Wonderful Parliament of 1386 he was impeached on charges of embezzlement and negligence, a victim of increasing tensions between Parliament and Richard. He was the first official in English history to be removed from office by the process of impeachment. Even after this disgrace, he remained in royal favour, although soon fell foul of the Lords Appellant. He was one of a number of Richard's associates accused of treason by the Appellants in November 1387. After the Appellants' victory at Radcot Bridge (December 1387) and before the so-called Merciless Parliament met in February 1388, De La Pole shrewdly fled to Paris, thus escaping the fate of Sir Nicholas Brembre and Chief Justice Robert Tresilian. He remained in France for the remainder of his life. Sentenced in his absence, his title was stripped from him.
Jean Froissart's references to de la Pole in the Chroniques (II.173) portray a devious and ineffectual counsellor, who dissuaded Richard from pursuing a certain victory against French and Scottish forces in Cumberland, and fomented undue suspicion of John of Gaunt, 1st Duke of Lancaster.
https://en.wikipedia.org/wiki/Michael_de_la_Pole,_1st_Earl_of_Suffolk
https://thehistoryjar.com/2017/07/18/michael-de-la-pole-earl-of-suffolk-chancellor-traitor-and-retainer/
https://en.wikipedia.org/wiki/Lord_Chancellor#History