Complex sentence: Pendleton was buried at his estate, Edmundsbury, which was in ruins by 1907, when his remains were reinteerred inside Bruton Parish Chapel in what became Colonial Williamsburg, Virginia.
Split into simpler sentences: Pendleton was buried at his estate, Edmundsbury. In 1907 he was moved from this location and buried inside Bruton Parish Chapel in what is now Colonial Williamsburg, Virginia.