Earls of Devonshire First holder William Cavendish, 1st earl of Devonshire * 1552 Records #4 Holders Family filter On/Off 1 William Cavendish, 1st earl of Devonshire * 1552 2 William Cavendish, 2nd earl of Devonshire * 1590 3 William Cavendish, 3rd earl of Devonshire * 1617 Victor Christian William Cavendish, 9th duke of Devonshire * 1868 Corrections and Updates To suggest a correction or an update. Click Here