Earls of Derby-II First holder Henry of Grosmont, 1st Duke of Lancaster * 1299 Records #3 Holders Family filter On/Off 1 Henry of Grosmont, 1st Duke of Lancaster * 1299 2 John of Gaunt, 1st Duke of Lancaster * 1340 3 Henry IV, king of England * 1367 Corrections and Updates To suggest a correction or an update. Click Here
