A man who marries a woman for something he then cannot obtain

The grandmother of Amr bin Qays said: Her father married a woman in exchange for my servant woman. I took this case to the court of Qadi Shurayh, and he ruled the servant woman in my favour and the value of the servant woman in favour of that woman.

Al-Sha'bi said: If a man marries a woman in exchange for setting her father free, and he is unable to set him free, he will owe the value of her father.

Ibrahim said: If a man marries a woman on the condition that he will take her for Hajj, this is permissible.

Al-Sha'bi said: If a man marries a woman in exchange for setting her father free, and he is unable to set him free, he will owe the value of her father.

Hammad said: If a man marries a woman on the condition that he will take her for Hajj, but divorces her before consummation, he will owe half of the least amount with which a person can perform Hajj.