According to the Duc de Saint-Simon, the young Louis XIV amused himself briefly with the daughter of a gardener in around 1658.
The name of the girl is not known, but according to Saint-Simon she became pregnant and gave birth to a daughter in 1659.
Said daughter was, of course, not recognised as child of Louis XIV and the mother placed in a convent on orders of Anne d’Autriche and Cardinal Mazarin. The daughter was apparently later married to a Baron, with whom she had several children, and died as she was between twenty-six and twenty-eight.
Another not precisely named lady the Sun King apparently had an affair with, is Madame de Saint-Martin. She was the wife of Jean-George de Rancurel de Saint-Martin, who was responsible for the Queen’s finances. It is not quite certain whether she received visits by the King or not, but if she did it must have been a very brief fling in around 1682.