James, 3rd Earl of Morton
James was married to Katherine Stuart, the "natural" daughter of James IV. He died without male issue, circa 1550, but on April 22, 1543 he had willed the Morton possessions to the husband of his third daughter, Elizabeth.
Father: John (2nd Earl of Morton) Douglas b: BEF. 1466
Mother: Janet Crichton b: 1461
Marriage 1 Princess Catherine dau of King James IV of Scotland
See also The Earls of Morton