Duke of Suffolk is a title that has been created three times in the Peerage of England.
The third creation of the dukedom of Suffolk was for Henry Grey, 3rd Marquess of Dorset, in 1551. The duke also held the title Baron Ferrers of Groby (1300). These titles became forfeit when the duke was attainted in 1554.
Michael de la Pole, 1st Earl of Suffolk (1330–1389), Lord Chancellor under Richard II, was stripped of his titles by the Merciless Parliament in 1388
Michael de la Pole, 2nd Earl of Suffolk (1367–1415), son of the 1st Earl, obtained restoration to his father's title in 1398. They were again briefly forfeit in 1399, but almost immediately restored again in 1399
Michael de la Pole, 3rd Earl of Suffolk (1394–1415), eldest son of the 2nd Earl, died without sons
William de la Pole, 4th Earl of Suffolk (1396–1450), second son of the 2nd Earl, was created Marquess of Suffolk in 1444
Subsidiary titles: Earl of Suffolk (1385), Earl of Pembroke (1447)
William de la Pole, 1st Marquess of Suffolk (1396–1450) was created Duke of Suffolk in 1448
Subsidiary titles: Marquess of Suffolk (1444), Earl of Suffolk (1385), Earl of Pembroke (1447)
William de la Pole, 1st Duke of Suffolk (1396–1450), arrested for his failures in France, his honours were forfeit in 1450
John de la Pole, 2nd Duke of Suffolk (1442–1492), only son of the 1st Duke, was restored to his father's honours in 1463
John de la Pole, 1st Earl of Lincoln (1462/4–1487), eldest son of the 2nd Duke, predeceased his father without surviving issue
Edmund de la Pole, 3rd Duke of Suffolk (1472–1513), younger son of the 2nd Duke, was allowed to succeed as Duke in 1491, but had to surrender that title in 1493. His earldom was forfeit in 1504
Charles Brandon, 1st Duke of Suffolk (1484–1545) was a favourite of Henry VIII
Henry Brandon (1516–1522) died at the age of six. Eldest son of the above.
Henry Brandon, 1st Earl of Lincoln (1523–1534), second son of the 1st Duke, predeceased his father, without issue. Younger brother of the above.
Henry Brandon, 2nd Duke of Suffolk (1535–1551), third son of the 1st Duke, died in his youth of sweating sickness. Half-brother of the two Henrys above.
Charles Brandon, 3rd Duke of Suffolk (1537–1551), fourth son of the 1st Duke, died very shortly after his brother the 2nd Duke also of sweating sickness, and their father's titles became extinct.
Subsidiary titles: Marquess of Dorset (1475), Baron Ferrers of Groby (1300), Baron Harington (1324), Baron Bonville (1449)
Henry Grey, 1st Duke of Suffolk, 3rd Marquess of Dorset (1517–1554), father of Lady Jane Grey (disputed Queen of England). After his attempt to place his daughter on the throne failed, he was pardoned, but after his participation in Wyatt's Rebellion Mary I had him executed for treason in February 1554. His honours were forfeit although, in any case, he had no male issue who would have inherited.
Arms: Barry of six argent and azure, in chief three torteaux (roundels gules); a label of three points ermine.
Crest: A unicorn salient, ermine, in front of the sun in splendour.
Supporters: Dexter: a unicorn; sinister: a bull with a human face.
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