
afgeleid van het Latijnse dux, betekent `een leider;` Arabisch, `een sheik`
Deke, Dack, Dag, Daeg, Dick, Dago, Doug, Dicky, Dickie, Takeo, Tige, Tuck
Luke, Dre, Drue, Bake, Dace, Dade, Dale, Dane, Dave, Dawe, Daye, Dekle, Dekel, Dene, Dee, Deker, Dirke, Dice, Dyce, Dore, Dowe, Drake, Duane, Duff, Dunn, Dunc, Dunne, Zeke, Ike, Jake, Lake, Mike, Pike, Pyke, Tune, Wake
Barnett, Baron, Earl, King, Lord