Well, the author of the original completely different artist.
Not
http://en.wikipedia.org/wiki/Jean_François_de_Troy (1679-1752)
A
http://en.wikipedia.org/wiki/François_de_Troy (1645-1730)
And the portrait, which is in the first message comes in the guise of the original - it dates from the early 18th century, and it is obvious that this is also a copy of which Jean-Francois did with the original father.