One of its spin offs is the Mey Selections brand which features local farm produce.

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Castle of Mey was a favourite summer retreat of the late Queen Mother.

BBC: 'Saudi Arabia' of marine energy

Her grandson, Prince Charles, has kept the link between the Royal Family and Caithness alive and attends the Mey Games.

BBC: 'Saudi Arabia' of marine energy

Recent acquisitions for London-based Diageo have included ShuiJingFang, a maker of baijiu, a Chinese white spirit, as well as Mey Icki, in Turkey.

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Enjoy a glass of claret poured by waiters from crystal decanters, and ask for the Castle of Mey roast beef, carved and served from a silver cart at your table.

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The Queen Mother's passing is being mourned across Scotland - particularly at Glamis Castle in Angus, where she grew up in the early years of last century, Crathie Church near Balmoral on Royal Deeside and the Castle of Mey in Caithness.

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