THE real dad of Jeremy Bamber last night said he wants nothing to do with his murdering son after hearing the killer was after his help to launch another bid for freedom.
Major Leslie Marsham branded the 43-year-old a psychopath who has no chance of being reunited with him or his natural mother Juliet.
Bamber was jailed for life in August 1986 for massacring five members of his adoptive family at their remote farmhouse to claim a pounds 500,000 inheritance.
He denied the killing, claiming he didn't need the money because his real parents were wealthy and he could have got cash from them.
His lawyers argue that had the jury known about his parentage, they might not have convicted him.
Speaking for the first time about his father, a former servant for the Queen who lived at Buckingham Palace, Bamber said from his cell at Whitemoor jail, Cambs: "I'd like their support, what son wouldn't?
"I am sure my life would have been very different if I hadn't been adopted. I would like to be acknowledged by my genetic parents."
But 72-year-old Mr Marsham angrily dismissed any chance of that.
He said: "It was traumatic when we had to hand him over. He went to lovely people, who looked after him and gave him the best start in life.
"He abused them. He's a murderer. It's well proven. He's as guilty as hell. Most murderers complain to the bitter end they never did it.
"We had no part in his upbringing whatsoever. I don't know and don't wish to know whether he is our child or not. He has ruined our lives. He is a horrible man."
Retired Mr Marsham, who lives in a mews house near Hampton Court Palace, West London, which was a gift from the Queen, added: "We told his probation officer we wanted nothing to do with him. There's not going to be any reuniting.
"We have perfectly nice children, who've also been greatly affected by this. Quite frankly he's nothing to do with us."
Bamber, who shot dead his adoptive parents, sister and two young nephews, told how he was eight when he found out about his real mother and father.
Former RAF pilot Neville Bamber and his wife June took him under their wing after they found out they couldn't have children.
The killer said: "I read all the documentation and correspondence about my real parents. My adoptive parents kept in touch with them for four years. I do understand why I was adopted and don't feel any hurt.
"As far as I am aware they met at a dance, but I've never had contact with them and don't know if they know about me, but would assume they do. Of course if I had not have been adopted I would have been looked after by them, but that is not relevant now."
ALTHOUGH he has never met his dad since adoption, Bamber said he still harbours a lot of affection for him. He found out details of him from rich and famous guide Who's Who.
Bamber was born out of an illicit affair between Mr Marsham and his then lover Juliet Wheeler in 1961. The couple later married but put up their son for adoption soon after his birth due, it is believed, to the stigma attached to having an illegitimate child at the time.
His birth certificate showed he was born at St Mary Abbots Hospital in Kensington, West London. It lists his father as a sergeant in the Royal Army Medical Corps and gives his residence as the Hebridean island of St Kilda.
Instead of having a privileged upbringing at Buckingham Palace, their son went to live with the Bambers on their farm in the Essex village of Tolleshunt D'Arcy.
Bamber was 25, Bamber when he was locked up for the murders. At first police believed his schizophrenic sister Sheila, a model, nicknamed Bambi with a history of mental illness, killed her family before turning the gun, a .22 semi-automatic rifle, on herself.
But they changed their minds when relatives discovered a silencer for the murder weapon, which officers had missed, with a spot of blood inside that was said to be Sheila's.
Detectives reached the conclusion she could not have killed herself and put the silencer back in the cupboard
The trial jury at Chelmsford convicted him of murder by a 10-2 majority.
Bamber's defence team vigorously argued at his most recent appeal that new DNA evidence, carried out with the latest scientific techniques not available in the 80s, suggests the blood found in the silencer was not Sheila's.
But court of appeal judges ruled his convictions safe. His legal representatives, though, maintain comments made by trial judge Mr Justice Drakes that he murdered "partly out of greed" are inaccurate.
Lawyer Giovanni di Stefano said: "The prosecution case all along was that Mr Bamber murdered for his inheritance.
"But why would he do that when, in fact, his genetic parents were very well-to-do and might well have financially provided for him in later life. It doesn't make sense.
"Mr Bamber is said to display unusual confidence and even arrogance but when one considers the pedigree of his parents one can easily identify that it may have something to do with his genetic background.
"Had the jury at his original trial known his parentage it may have swayed one juror into returning a different verdict."
HIS legal team are now considering a further appeal by Bamber against the murder convictions, even though the two previous High Court attempts have failed.
They claim new evidence has been unearthed from official police reports - not disclosed at the time of the trial - which show notes by an officer in radio logs that there was movement in the house in the early hours of the morning while Bamber was with police outside
They also claim another log stated that a man was seen running outside the farm as Bamber spoke to officers.
Mr Di Stefano added: "There are considerable discrepancies in the police case against Mr Bamber and many of these originate from evidence gathered by the police themselves.
"I'm convinced that the conviction was based on a flawed case."
Bamber also still insists he is not guilty. He said: "I maintain my innocence because I am innocent
"I have kept strong through my imprisonment which I put it down to being innocent and fighting for the truth.
"But, of course, genetics must be involved as we all inherit something from our parents."
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