Duke Gloucester is in Dukes.
Duke Gloucester 1C 1385
On 06 Aug 1385 Edmund of Langley (44) was created 1st Duke York 1C 1385 by King Richard II of England 1367-1400 (18). Isabella of Castile (30) by marriage Duchess York.In 1385 Thomas of Woodstock Plantagenet 1st Duke Albemarle 1st Duke Gloucester 1355-1397 (29) was created 1st Duke Albemarle aka Aumale 1C 1385, and around the same time 1st Duke Gloucester 1C 1385.Eleanor Bohun Duchess Albemarle and Gloucester 1366-1399 (19) by marriage Duchess Albemarle aka Aumale and Duke Gloucester 1C 1385.
Duke Gloucester 2C 1414
On 16 May 1414 King Henry V of England 1386-1422 (27) created Dukedoms for his two brothers:
Duke Gloucester 3C 1461
Around Jun 1461, the time of his coronation, King Edward IV (19) created his two brothers as Dukes ...
Richard III King England 1452-1485 (8) was created 1st Duke Gloucester 3C 1461.
Duke Gloucester 4C 1659
On 13 May 1659 Henry Stewart 1st Duke Gloucester 1640-1660 (18) was created 1st Duke Gloucester 4C 1659, 1st Earl Cambridge 5C 1659 by King Charles I of England, Scotland and Ireland 1600-1649 (58).
Duke Gloucester 5C 1928
On 06 Nov 1935 Henry Windsor 1st Duke Gloucester 1900-1974 (35) and Alice Christabel Montagu Douglas Scott Duchess Gloucester 1901-2004 (33) were married at Buckingham Palace. He a son of George V King United Kingdom 1865-1936. She by marriage Duchess Gloucester.
On 10 Jun 1974 Henry Windsor 1st Duke Gloucester 1900-1974 (74) died. His son Richard Alexander Walter Windsor 2nd Duke Gloucester 1944- (29) succeeded 2nd Duke Gloucester 5C 1928.