Targum zu Bereschit 22:20

And it was after these things, after Abraham had bound Izhak, that Satana came and told unto Sarah that Abraham had killed Izhak. And Sarah arose, and cried out, and was strangled, and died from agony. But Abraham had come, and was resting in the way. And it was told Abraham, saying, Behold, Milcha also hath borne; she hath enlargement, through the righteousness of her sister, for bring forth sons unto Nachor thy brother: