Memoirs of the Court of Marie Antoinette, Queen of France, Volume 2 / Being the Historic Memoirs of Madam Campan, First Lady in Waiting to the Queen

Who prophesied a son;
But if she share her mother's worth,
Why, all the world has won!

He lost by the birth of the Princess, and had executed in porcelain a figure with one knee bent on the earth, and presenting tablets, upon which the following lines by Metastasio were engraved:

I lose by your fair daughter's birth