Scotland, while John Balliol made a claim based on primogeniture. Robert and John were both descended from David of Huntingdon (grandson of David I of Scotland); Robert was a grandson (son of Isobel, second daughter of David of Huntingdon) while John was a great-grandson (grandson of Margaret, first daughter of David of Huntingdon). Arbitration by Edward I of England awarded the throne to John, but Robert's grandson later successfully claimed the crown as Robert I of Scotland. See also Line of succession to the Dutch throne, whereby the Dutch crown is restricted to relatives of the monarch within three degrees of kinship References Sources Inheritance Legal history Order of succession