Duschenes family may be related to de-ushene tribe of tew'elche who together with haush are likely to have had come from the city of Awa-Hayed-Daha called Awash-Ene-Ha : De-Awash-Ene-'s.
Jews and christians call them Yehudah and Yishnah.
See Teltsch,Deutsch,Deucht,Rosenfeld,Demsky and others !
Balázs Déri