During a famine in the land, Isaac goes to see Abimelech, king of the Philistines in Gerar (located in the general area of Gaza). When the men of Gerar ask Isaac about his wife, Rebekah ...

So Abraham prayed unto God: and God healed Abimelech, and his wife, and his maidservants; and they bare children. For the LORD had fast closed up all the wombs of the house of Abimelech ...