Master John PARKER
Another name for John was MASTERDON.
Ancestral File Number: 9SVV-LB.
The Oxford History of England The Fifteenth Century 1399-1485, E F Jacob, Oxford Univ Press, p287:
 "...In their wills, doctors like Master John Parker or Nicholas Colnet, Henry V's physician, have left little trace of their activites. To what extent either surgery or physic were paying professions for the clerk it is difficult to say..."
p288: "...Parker, mentioned above, was a custodian of St Mary's [Abbey], York, who appears to have lived in the parish of St Martin, Coney Street. He was a regular visitor at the great hospital of St Leonard in York, had lands in Rawdon and Churt, and rode upon his duties armed as it was necessary for a doctor to be..." Testamenta Eboracensia, i, 342.
Ancestral File Ver 4.10 9SVV-LB John PARKER, OHE Master John PARKER, = ?9SVV-LB MASTERDON.
John married Ellen NORTH, daughter of Sir Roger NORTH and Alice HARCOURT. (Ellen NORTH was born about 1428 in Walkeringham, Nottinghamshire, England.)