Tractate Kiddushin - Chapter 2 - Mishnah 3 קידושין פרק ב׳ משנה ג׳

“[Be betrothed to me] on condition that I am a priest,” and he is found to be a Levite, or “a Levite” and he is found to be a priest; “a natin,” and he is found to be a mamzer, or “a mamzer” and he is found to be a natin; “a townsman,” and he is found to be a villager, or “a villager” and he is found to be a townsman; “on condition that my house is near the bathhouse,” and it is found to be far, or “far” and it is found to be near; “on condition that I have a daughter or maidservant that braids hair” and he does not have, “or on condition that I do not have”, and he has; “on condition that I have no sons”, and he has, or “on condition that I have sons, and he does not have --in all these cases, even if she declares, “In my heart I would have agreed to be betrothed to him in any case,” she is not betrothed. Similarly if she deceives him.