Final answer:
According to the Hebrew Bible, Abraham had three visitors in the plains of Mamre. He welcomed them and offered them food and drink. They told Abraham that his wife Sarah would have a son.
Step-by-step explanation:
The Hebrew Bible states that Abraham had three visitors in the plains of Mamre.
In Genesis 18:1-2, it is mentioned that Abraham looked up and saw three men standing nearby. He ran to meet them and bowed down to the ground to show them respect.
Abraham welcomed the visitors and offered them food and drink. They then told Abraham that his wife Sarah would have a son, even though she was old.