As soon as I was recovered, a treaty was set on foot for a marriage betwixt the King of Portugal and me, an ambassador having been sent for that purpose. The Queen my mother commanded me to prepare to give the ambassador an audience; which I did accordingly. My brother had made her believe that I was averse to this marriage; accordingly, she took me to task upon it, and questioned me on the subject, expecting she should find some cause to be angry with me. I told her my will had always been guided by her own, and that whatever she thought right for me to do, I should do it. She answered me, angrily, according as she had been wrought upon, that I did not speak the sentiments of my heart, for she well knew that the Cardinal de Lorraine had persuaded me into a promise of having his nephew. I begged her to forward this match with the King of Portugal, and I would convince her of my obedience to her commands. Every day some new matter was reported to incense her against me. All these were machinations worked up by the mind of Le Guast. In short, I was constantly receiving some fresh mortification, so that I hardly passed a day in quiet. On one side, the King of Spain was using his utmost endeavours to break off the match with Portugal, and M. de Guise, continuing at Court, furnished grounds for persecuting me on the other. Still, not a single person of the Guises ever mentioned a word to me on the subject; and it was well known that, for more than a twelvemonth, M. de Guise had been paying his addresses to the Princesse de Porcian; but the slow progress made in bringing this match to a conclusion was said to be owing to his designs upon me.
As soon as I made this discovery I resolved to write to my sister, Madame de Lorraine, who had a great influence in the House of Porcian, begging her to use her endeavours to withdraw M. de Guise from Court, and make him conclude his match with the Princess, laying open to her the plot which had been concerted to ruin the Guises and me. She readily saw through it, came immediately to Court, and concluded the match, which delivered me from the aspersions cast on my character, and convinced the Queen my mother that what I had told her was the real truth. This at the same time stopped the mouths of my enemies and gave me some repose.