Michael de la Pole, 2nd Earl of Suffolk his eldest son Michael, who later died at Agincourt. Michael married Katherine de Stafford, daughter of Hugh de Stafford, 2nd Earl of Stafford. They were parents to at least eight children: Michael de la Pole, 2nd Earl of Suffolk Michael de la Pole, 2nd Earl of Suffolk (1367 – 17 September 1415) was an English nobleman who supported Henry IV (reigned 1399-1413) against Richard II (reigned 1377-1399) during the turmoils of the late 14th century. He died during the Siege of Harfleur in 1415. He was a son of Michael de la Pole, 1st Earl of Suffolk and Katherine Wingfield,
Robert Waterton IV. In 1391 he was appointed Master Forester at Pontefract Castle, and in that year accompanied Bolingbroke to the siege of Vilnius. He was with Bolingbroke when he returned to Vilnius in the following year. From 1392 he received a yearly fee from Bolingbroke of £6 13s 4d, and in 1398 Bolingbroke granted him an additional annuity of 10 marks. In 1399 he was Steward and Constable at Pontefract, as well as Constable at Tickhill Castle and Castle Donnington, positions which 'made him a dominant figure in the West Riding of Yorkshire and in north Nottinghamshire'. He remained in these