Genesis 23:10

23:10 (Now Ephron was sitting among the sons of Heth.) Ephron the Hethite replied to Abraham in the hearing of the sons of Heth – before all who entered the gate of his city –

Genesis 23:13

23:13 and said to Ephron in their hearing, “Hear me, if you will. I pay to you the price of the field. Take it from me so that I may bury my dead there.”

Genesis 23:16

23:16 So Abraham agreed to Ephron’s price and weighed out for him the price that Ephron had quoted in the hearing of the sons of Heth – 400 pieces of silver, according to the standard measurement at the time.