It is said that the money for her grave had been set aside by her former benefactor, the Hereditary Grand Duke of Oldenburg, who had himself died six years earlier. According to the prologue written by historian and researcher Marie Stravlo in the book "Estoy Viva", following directions of Prince Sigismund of Prussia, her gravestone did not bear the name Marga Boodts but, rather, was inscribed (in German) with text that translated as "In memory of Olga Nikolaevna, 1895-1976, eldest daughter of Emperor Nicholas II of Russia". As there were no direct descendants to pay for its maintenance, the gravestone was destroyed in 1995. In the epilogue of that same book, Marie Stravlo clarifies that Boodts' remains were not placed in a mass grave, as was told in the past. The bones were carefully transferred to another grave, under the supervision and custody of the Italian family that took care of Boodts until she died. Boodts' claim to be the Grand Duchess Olga, which was taken seriously by some people during her lifetime, was disproved thirty years later, when archaeological investigation and scientific testing confirmed that all seven members of the Russian imperial family had been murdered at Yekaterinberg in 1918. This was disputed by the Russian Orthodox Church, which requested new DNA testing, authenticating the original findings. On August 23, 2007, a Russian archaeologist announced the discovery of two burned, partial skeletons at a bonfire site near Yekaterinburg that appeared to match the site described in Yurovsky's memoirs. The archaeologists said the bones are from a boy who was roughly between the ages of ten and thirteen years at the time of his death and of a young woman who was roughly between the ages of eighteen and twenty-three years old. Anastasia was seventeen years, one month old at the time of the assassination, while her sister Maria was nineteen years, one month old and her brother Alexei was two weeks shy of his fourteenth birthday. Anastasia's elder sisters Olga and Tatiana were twenty-two and twenty-one years old at the time of the assassination. Along with the remains of the two bodies, archaeologists found "shards of a container of sulfuric acid, nails, metal strips from a wooden box, and bullets of various caliber". The bones were found using metal detectors and metal rods as probes.