Henry V awards his brothers Dukedoms
Henry V awards his brothers Dukedoms is in 1400-1414 Epiphany Rising and Rebellions Against Henry IV.
On 16 May 1414 King Henry V of England (age 27) created Dukedoms for his two brothers:
Humphrey Lancaster 1st Duke Gloucester (age 23) was created 1st Duke Gloucester, 1st Earl Pembroke.
John Lancaster 1st Duke Bedford (age 24) was created 1st Duke Bedford, 1st Earl Kendal.