Coroners in Halifax are appealing for the relatives of deceased Ovenden man Stephen Butterworth to get in touch.
Mr Butterworth, 58 passed away at his home address in Athol Green on Monday, March 30.
There were no suspicious circumstances.
It is believed that Mr Butterworth may have a sister in the Ovenden area of Halifax.
Relatives are asked to contact Coroner’s Officer Rod Holmes on 01422 354606.