It stipulated the mutual obligations of the three contracting parties in their offensive and defensive league.
Bourbon engaged to attack Francis I.but he would not promise to acknowledge Henry VIII.

as King of France.

"I am quite willing to be his ally," he said, "but his subject, his vassal, no! All I can do is to leave myself, as to my relations towards him, in the emperor's hands." A strange and noble relic of patriotism in that violent and haughty soul, more concerned for its rights than its duties, and driven to extremity by the acts of ungrateful and unthoughtful injustice, to which the great lord and the valiant warrior had been subjected.

The treaty having been signed with this reservation, Bourbon sent, about midnight, for Saint-Bonnet, Lord of Branon, whom he intended to despatch to Charles V., and, after having sworn him, "I send you," said he, "to the emperor, to whom you will say that I commend myself humbly to his good graces, that I beg him to give me his sister in marriage, and that, doing me this honor, he will find me his servant, his good brother, and friend." The fatal step was taken.

Bourbon was now engaged in revolt against his king and his country, as well as in falsehood and treason--preliminary conditions of such a course.