Most of the people buried in one of the best-preserved Neolithic tombs in Britain were from five continuous generations of a single extended family, new research involving the University of York has revealed.In a study published in Nature, researchers analysed DNA extracted from the bones and teeth of 35 individuals entombed approximately 5700 years ago at Hazleton North long cairn in the Cotswolds-Severn region. They found that 27 of them were descended from four women who all had children with the same man.KinshipThe group lived around 100 years after farming had been introduced to Britain and the authors of the...