Hasan (may Allah have mercy on him), Ibrahim Nakha'i (may Allah have mercy on him), and Sha'bi (may Allah have mercy on him) said: "If a slave marries without his master's permission, the matter is in the master's hands; if he wishes, he may let the marriage stand, and if he wishes, he may annul it. And if the marriage was with the master's permission, then divorce is in the slave's authority."