Dewsbury Coroners are appealing for the relatives of John Metcalfe to get in touch.
Mr Metcalfe, 61, was found dead at his home in Spen Valley Road, Ravensthorpe on April 23.
He died of natural causes.
It is believed that Mr Metcalfe had a sister living in the Mirfield area.
Any relatives, or anyone with information is asked to contact Marie Silvester at the Dewsbury Coroner’s Office on 01924 431070.