Hello!
So, why Jeanne de Montbaston? Well, can you really go wrong with a woman who paints pictures of nuns picking penises from penis trees? I don’t think so!
Jeanne de Montbaston was the woman who illuminated this image, in BnF MS Fr. 25526, which is a copy of Roman de la Rose:
There’s only the tinest stub, on French wiki, about her and her husband, here. But it’s good to know about medieval women who were reading, writing, illuminating books – even picking penises off penis trees …