(1274–1292) Thomas Bek, Archdeacon of Dorset (1279) (Keeper of the Great Seal) John Langton, Canon of Lincoln (1292–1302) 14th century William Greenfield, Dean of Chichester (1302–1305) William Hamilton, Dean of York (1305–1307) Ralph Baldock, Bishop of London (1307) John Langton, Bishop of Chichester (1307–1310) Walter Reynolds, Bishop of Worcester (1310–1314) John Sandale, Canon of Lincoln (1314–1318) John Hotham, Bishop of Ely (1318–1320) John Salmon, Bishop of Norwich (1320–1323) Robert Baldock, Archdeacon of Middlesex (1323–1326) William Ayermin, Bishop of Norwich (1326–1327) John Hotham, Bishop of Ely (1327–1328) Henry Burghersh, Bishop of Lincoln (1328–1330) John de Stratford, Bishop of Winchester (1330–1334) Richard Bury, Bishop of Durham (1334–1335) John de Stratford, Archbishop of Canterbury (1335–1337) Robert de Stratford, Bishop of Chichester (1337–1338) Richard Bintworth, Bishop of London (1338–1339) John de Stratford, Archbishop of Canterbury (1340) Robert de Stratford, Bishop of Chichester (1340) Robert Bourchier, 1st Baron Bourchier (1340–1341) Robert Parning (1341–1343) Robert Sadington (1343–1345) John de Ufford, Dean of Lincoln (1345–1349) John Thoresby, Bishop of Worcester (1349–1356) William Edington, Bishop of Winchester (1356–1363) Simon Langham, Bishop of Ely (1363–1367) William of Wykeham, Bishop of Winchester (1367–1371) Robert Thorpe (1371–1372) John Knyvet (1372–1377) Adam Houghton, Bishop of St David's (1377–1378) Lord Scrope of Bolton (1378–1380) Simon Sudbury, Archbishop of Canterbury (1380–1381) Hugh Segrave (1381) (Keeper of the Great Seal) William Courtenay, Bishop of London (1381) Lord Scrope of Bolton (1381–1382) Robert Braybrooke, Bishop of London (1382–1383) Lord de la Pole (later Earl of Suffolk) (1383–1386) Thomas Arundel, Bishop of Ely (1386–1389) William of Wykeham, Bishop of Winchester (1389–1391) Thomas Arundel, Archbishop of York (1391–1396) Edmund Stafford, Bishop of Exeter (1396–1399) Thomas Arundel, Archbishop of Canterbury (1399) 15th century John Scarle, Archdeacon of Lincoln (1399–1401) Edmund Stafford, Bishop of Exeter (1401–1403) Henry Beaufort, Bishop of Lincoln (1403–1405) Thomas Langley, Dean of York (1405–1407) Thomas Arundel, Archbishop of Canterbury (1407–1410) Thomas Beaufort (1410–1412) Thomas Arundel, Archbishop of Canterbury (1412–1413) Henry Beaufort, Bishop of Winchester (1413–1417) Thomas Langley, Bishop of Durham (1417–1424) Henry Beaufort, Bishop of Winchester (1424–1426) John Kemp, Archbishop of York (1426–1432) John Stafford, Bishop of Bath (later Archbishop of Canterbury) (1432–1450) John Kemp, Archbishop of York (1450–1454) Richard Neville, 5th Earl of Salisbury (1454–1455) Thomas Bourchier, Archbishop of Canterbury (1455–1456) William Waynflete, Bishop of Winchester (1456–1460) George Neville, Bishop of Exeter (1460–1467) Robert Stillington, Bishop of Bath (1467–1470) George Neville, Archbishop of York (1470–1471) Robert Stillington, Bishop of Bath (1471–1473) Laurence Booth, Bishop of