"I think the visit went very well. He is such a charming man, I think he would make sure it would go well," she said.
"He was very interested in the history of the Atholl Highlanders and how they paraded.
"We showed him the ballroom and he was interested in everything there, particularly the portraits of various dukes in Highland dress. That sparked quite an interest.
"He is very interested clearly in the natural world. He was asking about the birds that were here and he was fascinated by all the wild flowers he had seen. He was particularly interested in the rhododendrons which he said were rather small compared to the ones in his part of the world, which I dare say is true."
The earliest known part of the castle in Blair Atholl, Cumming's Tower, dates from the 13th century. An extension was added to it in 1530 to form a Great Hall and has saw other developments through the medieval, Georgian and Victorian eras.