A judge has ordered a Swedish businesswoman worth about £250 million to pay her estranged husband more than £6.5 million following the breakdown of their six-year marriage. Louise Backstrom and Martin Wennberg, who are both in their 30s, had been embroiled in a dispute over money in a London private family court. Mr Wennberg wanted a financial package worth more than £40 million but Deputy High Court judge Leslie Samuels has ruled against him. Judge Samuels, who …