But you will be innocent of my curse, if, when you will arrive at my close relatives, they will not grant this to you.
Other versions
King James Version
Then shalt thou be clear from this my oath, when thou comest to my kindred; and if they give not thee one, thou shalt be clear from my oath.English Standard Version
Then you will be free from my oath, when you come to my clan. And if they will not give her to you, you will be free from my oath.'New International Version
Then, when you go to my clan, you will be released from my oath even if they refuse to give her to you-you will be released from my oath.'