It has recently been determined that Margaret Abernethy, 10th Lady Saltoun succeeded her brother, Alexander Abernethy, 9th Lord Saltoun in 1668 , but only survived him by about 6 weeks and had not been counted in the title's numbering. This new information has resulted in the ordinals in subsequent Lords Saltoun being revised. As a result, the later heirs to the title are often referenced with the incorrect numbering.
1Lady Saltoun, Katherine Fraser, and Alexander Fraser's surnames would all not normally be "Fraser." However, due to the fact that they are in line to be (or are already) the Chief of the name and arms of Fraser, their surnames have been recognized by the Lord Lyon King Of Arms to be "Fraser."