David Harker was the father of Pat Sugden and Janie Blakey, and the maternal grandfather of Jackie Merrick, Sandie Merrick and Robert Sugden.

Born in about 1920, David had a brother called Tom Harker who was killed in action during WW2. He had a sister Elsie Harker.

It is unknown if David is still alive but his wife Dolly died sometime inbetween 1974 and 1982.

Some sources say his name was Robert, but in 1986, Pat Sugden says her dad's name was David.

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