Wikipedia provides: J. Ravilious, The Earls of Menteith: Alexander, Earl of Ment...

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Wikipedia provides: J. Ravilious, The Earls of Menteith: Alexander, Earl of Menteith and Sir Alexander de Abernethy, The Scottish Genealogist (September 2010), Vol. LVII, No. 3, pp. 130–139. This hasnot been confirmed in original but seems feasible. The marriage is likely to have occurred around 1296. Wikipedia is incorrect however in regards to the passage from England as this was for her daughter.

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