Genesis 24:12

9 And the servant put his hand under Abraham's leg, and gave him his oath about this thing.

10 And the servant took ten of his master's camels, and all sorts of good things of his master's, and went to Mesopotamia, to the town of Nahor.

11 And he made the camels take their rest outside the town by the water-spring in the evening, at the time when the women came to get water.

12 And he said, O Lord, the God of my master Abraham, let me do well in what I have undertaken this day, and give your mercy to my master Abraham.

13 See, I am waiting here by the water-spring; and the daughters of the town are coming out to get water:

14 Now, may the girl to whom I say, Let down your vessel and give me a drink, and who says in answer, Here is a drink for you and let me give water to your camels: may she be the one marked out by you for your servant Isaac: so may I be certain that you have been good to my master Abraham.

15 And even before his words were ended, Rebekah, the daughter of Bethuel, the son of Milcah, who was the wife of Nahor, Abraham's brother, came out with her water-vessel on her arm.