I also, would like to hear how much (or little) the Drover had in common with the Dove
From
GEOFF GOODALL'S AVIATION HISTORY SITE
Chief Designer Bill Downes acknowledged the parent company’s DH.104 Dove design provided the basic concept from which the Drover evolved
"Basic concept" could mean anything I guess, although I'm sure if Dove components were used it would have been mentioned here.
de havilland | 1948 | 0562 | Flight Archive
Other references in "Flight" say the Drovers structural design was based on Dove principles.