Issued title returned by upset duke (8)
I believe the answer is:
emanated
'issued' is the definition.
(to emanate is to issue or emit)
'title returned by upset duke' is the wordplay.
'title' becomes 'name' (I've seen this before).
'returned' is a reversal indicator.
'by upset' becomes 'ate' (to eat up is worry or upset. I am not sure about the 'by' bit.).
'duke' becomes 'd' (abbreviation).
'name' reversed gives 'eman'.
'eman'+'ate'+'d'='EMANATED'
(Other definitions for emanated that I've seen before include "came forth" , "Issued or originated from a source" , "Emerged or originated" , "Issued forth, as from a source" , "Flowed" .)