Dukes of Somerset-II First holder Edmund Beaufort, 1st duke of Somerset * 1406 Records #3 Holders Family filter On/Off 1 Edmund Beaufort, 1st duke of Somerset * 1406 2 Henry Beaufort, 2nd duke of Somerset * 1436 3 Edmund Beaufort, 3rd duke of Somerset * < 1440 Corrections and Updates To suggest a correction or an update. Click Here