- Short form for the Old High German nickname "Thiote, Diot" and "Dietrich" - can also be short for nickname "Ottilie" - also known as mid-northern German nickname for "Dill" - Dilman (to 1326), Dylleman (to 1330/1349) - Alberto filio Dille (c. 1273/1330) = Albertus dictus Dyll (c. 1332)