Génesis 24

Therefore, the servant placed his hand under the thigh of Abraham, his lord, and he swore to him on his word.

Entonces el criado puso su mano debajo del muslo de Abraham su señor, y juróle sobre este negocio.

And the servant put his hand under the thigh of Abraham his master, and sware to him concerning that matter.

The servant put his hand under the thigh of Abraham his master, and swore to him concerning this matter.