General Notes

Sir William Graham of Kincardine; had Royal Charter 12 Feb 1417 containing an entail of the lands of Old Montrose; married 1st allegedly Mariot, daughter of Sir John Oliphant of Aberdalgy.  [Burke's Peerage]

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11. Sir William Graham of Kincardine; possibly married (1) after 1390 to a daughter of Sir Alexander Lindsay of Glenesk and Catherine Stirling; married (2) before 1404 to Mariota, daughter of Sir John Oliphant of Aberdalgie; married (3) about 13 November 1413 to Mary, daughter of Robert III, King of Scots and Annabella Drummond (died after 1458). William died in 1424.

William had a charter from Robert, Duke of Albany in 1407 of an entail for the lands of Old Montrose. He may have been created a Lord of Parliament as Lord Graham by the Duke of Albany in his capacity as Regent in about 1419, while James I was in English captivity, but such creations can only legally be made by a monarch. He married the king's sister as his second or third wife, while he was her third or fourth husband.

His first wife (if the marriage took place) was widow of David Stewart, Earl of Caithness and Strathearn, a younger son of King Robert II. The only child of this earlier marriage, Euphemia Stewart, married William's half-brother Sir Patrick Graham of Dundaff and Kilpont, and they were the parents of Malise Graham, Earl of Menteith.
William's daughter Elizabeth had a church dispensation to marry Walter, Earl of Atholl and Caithness, another of Robert II's younger sons, although the marriage may never have taken place. She later married an illegitimate son of Robert II.