https://en.wikipedia.org/wiki/Edmund_of_Scotland
Edmund or Etmond mac Maíl Coluim (c. 1070 – after 1097) was a son of Malcolm III of Scotland and his second wife, Margaret of Wessex.He may be found on some lists of Scottish kings, but there is no evidence that he was king. Although Edmund was probably Malcolm and Margaret's second son, he was passed over in subsequent successions as a result of betraying his …