Here's the original article with Liberty Ross' brother, Leopold:
http://www.people.co.uk/news/uk-wor...ers-say-his-wife-s-relatives-102039-23914101/
Kristen cheated for months with Rupert Sanders say his wife's relatives
Jul 29 2012 by Katie Hind, The People
Image 16 for 'pics 39-09-12' gallery
Image 16 for 'pics 39-09-12' gallery
Twilight temptress Kristen Stewarts fling with a married British movie director went on for months, his *family claimed yesterday.
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The tearful actress, 22, whose cheating has devastated her long-time lover and Twilight vampire co-star Robert Pattinson, claims she had only a momentary indiscretion with Rupert Sanders.
But relatives of Rupert, 41, who saw her gazing adoringly at him *during the premiere of Snow White and the Huntsman on May 29, suspect the affair went on much longer.
Pictures have also emerged of the pair looking cosy in a restaurant in Berlin on May 15.
Ruperts actress-and-model wife Liberty Ross, 33, who plays Kristens mother in the Snow White movie and was at the premiere, believes the fling started during *filming last year.
Libertys younger brother Leopold, a British rock *guitarist based in Los Angeles, insisted: It was from the last half of filming and all through post-production, clear into last week.
Leopold revealed the anger felt by his sister, who met Rupert when she was a teenager and left Britain so her husband could make a career in Hollywood while she looked after children Sklya Lily, seven, and Tennyson, five.
Sacrifices
Leopold said: She made some sacrifices for something she thought was worth it, now she knows, right? Five minutes from her home.
Doubt it was worth it but its life. It might actually make things better in the long run. She wasnt that happy for a while, but our family is close, shell be all right.
Meanwhile sources close to American beauty Kristen claim she cheated on London-born hunk Robert, 26, because of jealousy over his friendship with *another co-star.
Robert became close to Australian actress Emilie de Ravin, 30, while filming Remember Me in 2009. They stayed friends and he was a shoulder to cry on when the former Lost actresss *marriage to actor Josh Janowi hit the rocks.
A source close to Kristen said: She found it difficult to cope with Robert being close friends with another woman.
As their friendship grew, she *became more envious to the point that she would be very upset. They struck up their friendship when they were working away in New York and Kristen was still living in Los Angeles.
Nothing romantic ever happened between them but it didnt make Kristen feel any better about them being so close. Emilie was at a very low ebb. She was going through a split and she and Robert made one another laugh.
They would socialise together away from the set too. They would spend their evenings together in bars and restaurants while they were in New York.
Emilie, who played Roberts on-screen lover, said at the time: Hes a lovely guy. I read the script three weeks before they started shooting. I flew to New York to test with Rob and we immediately got along. We had instant great chemistry, which is not an easy thing to come by.
Hurt
The dramatic split between Kristen and Robert, who had been together three years, came after the actress was forced to confess last week following publication of *pictures of her in a series of steamy embraces with Rupert.
The snaps were taken 12 days ago. Kristen said: Im deeply sorry for the hurt and *embarrassment Ive caused to those close to me and everyone this has affected.
This momentary indiscretion has jeopardized the most *important thing in my life, the person I love the most, Rob. I love him, I love him, Im so sorry.
But heartbroken Robert has moved out of the LA mansion he shared with Kristen and has told friends he couldnt believe what he was hearing.
The shock split between the couple nicknamed R-Patz and K-Stew has alarmed Twilight bosses who are releasing the *final movie in the vampire *romance saga this autumn and told the couple they MUST *attend the premiere together.
But a source said: Theres *serious concern about the *promotional tour, which is set to kick off in October. Robert wont see Kristen and is refusing to do any joint *personal appearances with her. This is a potential nightmare for all involved.
Fans look forward to seeing them together during interviews. Its great publicity for the film. Robert even used to be happy to go to events with Kristen that he wasnt contractually obligated to go to, like the Teen Choice Awards last Sunday.
Praying
But now he wont want to do that. At the moment he cant even stand to be in the same room as Kristen.
Kristens illicit lover Rupert Sanders, who is trying to hold on to his marriage, said: I am *utterly distraught about the pain I have caused my family. My beautiful wife and heavenly *children are all I have in this world. I love them with all my heart. I am praying that we can get through this together.
Ruperts loyal dad Michael insisted that the fling was a storm in a tea cup.
He said: Hes a very *honest person and a *devoted father, it was just a *welcome kiss.
It was just a fling. There was no affair.
katie.hind@people.co.uk