Or the testing was garbage.
You can try to poo-poo the testing, but the testing was conducted under strict guidelines. Four sequences of DNA testing was done by Geneticists, including Dr. Turi King, who sequenced the DNA of King Richard III from his remains that were recovered, and identified not only by the scoliosis of the spine that he suffered from, but his DNA was matched to living descendants through his sister Anne of York's line.
"Temples is very credible."
As were the Iraqi defectors who swore that Saddam Hussein still had chemical weapons, and the CIA ran with it, telling George W. Bush what he wanted to hear.