Marquess Dorset is in Marquess.
Marquess Dorset 1C 1397
On 29 Sep 1397 King Richard II (30) rewarded his relations with Dukedoms possibly for their part in the arrest, trial and execution of Richard Fitzalan 9th Earl Surrey 11th Earl Arundel 1346-1397 (51) ...
His older half-brother John Holland 1st Duke Exeter 1352-1400 (45) was created 1st Duke Exeter 1C 1397. Elizabeth Lancaster Duchess Exeter 1363-1426 (34) by marriage Duchess Exeter.
His nephew Thomas Holland 1st Duke Surrey 1374-1400 (23) was created 1st Duke Surrey.
His second cousin once removed Thomas Mowbray 1st Duke Norfolk 1368-1399 (29) was created 1st Duke Norfolk 1C 1397 probably for arranging the murder of Thomas of Woodstock Plantagenet 1st Duke Albemarle 1st Duke Gloucester 1355-1397 (42). Elizabeth Fitzalan Duchess Norfolk 1366-1425 (31) by marriage Duchess Norfolk.
His first cousin Edward York 1st Duke Albemarle aka Aumale 2nd Duke York 1373-1415 (24) was created 1st Duke Albemarle aka Aumale 2C 1397. Beatrice Burgundy Countess Rutland Countess Cork 1373-1408 (24) by marriage Duchess Albemarle aka Aumale.
His illegitimate first cousin John Beaufort 1st Marquess Somerset Dorset 1373-1410 (24) was created 1st Marquess Somerset 2C 1397, 1st Marquess Dorset 1C 1397. Margaret Holland Duchess Clarence 1385-1439 (12) by marriage Marchioness Somerset.
His Ralph Neville 1st Earl Westmoreland 1364-1425 (33) was created 1st Earl Westmoreland 1C 1397. Joan Beaufort Countess Westmoreland 1379-1440 (18) by marriage Countess Westmoreland.
Marquess Dorset 2C 1442
In 1442 Edmund Beaufort 1st Duke Somerset 1406-1455 (36) was created 1st Marquess Dorset 2C 1442, 1st Earl Dorset 3C 1442. Eleanor Beauchamp Duchess Somerset 1408-1468 (33) by marriage Marchioness Dorset.
Marquess Dorset 3C 1475
On 20 Sep 1501 Thomas Grey 1st Marquess Dorset 1455-1501 (46) died. On 20 Sep 1501 His son Thomas Grey 2nd Marquess Dorset 1477-1530 (24) succeeded 2nd Marquess Dorset 3C 1475, 2nd Earl Huntingdon 6C 1479, 8th Baron Ferrers Groby. Eleanor St John Marchioness Dorset by marriage Marchioness Dorset.
In 1509 Thomas Grey 2nd Marquess Dorset 1477-1530 (31) and Margaret Wotton Marchioness Dorset 1487-1535 (22) were married. He a great x 4 grandson of King Edward III England. She by marriage Marchioness Dorset.
On 10 Oct 1530 Thomas Grey 2nd Marquess Dorset 1477-1530 (53) died. His son Henry Grey 1st Duke Suffolk 1517-1554 (13) succeeded 3rd Marquess Dorset 3C 1475, 3rd Earl Huntingdon 6C 1479, 9th Baron Ferrers Groby.
In 1533 Henry Grey 1st Duke Suffolk 1517-1554 (16) and Frances Brandon Duchess of Suffolk 1517-1559 (15) were married. They were half second cousins. He a great x 5 grandson of King Edward III England. She a granddaughter of Henry VII King England and Ireland 1457-1509. She by marriage Marchioness Dorset.