"Very little. Only that she married the Dauphin, but he died only about six months later and she returned to Scotland."
"Actually, their marriage was a little bit longer than that, and she served seventeen months as the Queen of France after her husband became King Francis II. During her French reign Elizabeth became the Queen of England, although many felt that Mary's claim was stronger.
That was when much of the very the worst fighting over Clerical Magic and Wizard Magic took place. From the time of Mary's engagement to the French prince at age five she lived here in France and embraced Wizard magics whereas Elizabeth was a staunch supporter of Clerical Magics. Mary's interest in wizardry was no small thing, she was very well versed in it, which is what led to her eventual execution for treason.
While she served as the French Queen she conducted extensive research on magic. Paris is one of the two-dozen-or-so places on the globe where the strongest ley-lines for Wizard Magic and Earth Magic intersect, providing the greatest base of operation. But Mary discovered something even more interesting in a location twenty miles east of the city, along the Wizard Magic ley-line. It is a a spot where Earth Magics came up from the earth's core, essentially a magical well, and at that exact spot the intensity of the the overlap of magical energies dwarf that of Paris.
So she used her influence as Queen to purchase the 4,800 acres of land surrounding the well. It was mostly farmlands so nobody was particularly concerned. It has remained in the hands of the Stuart family since that time. Mary's son King James IV of Scotland, who became King James I of England, brought peace by embracing Clerical magic and had little interest in the French property, nor did most of the descendants. I, however, have a strong interest and am the current landholder here."