Here's a map, in case you're having as much trouble following these people around as I am. Isaac had a dream.  In it, God told him he shouldn’t go to Egypt or to anywhere else, and that he should stick around.  If he did, God would tell him where he should go, and what he should do so that he would be heaped with blessings, and that his descendents would be, as well, and any country where they would choose to live in the future would be happy to have them.  God told him to go to Gerar, where the Philistines were.  Gerar wasn’t a great option—it was no better, in fact, than where he’d been living before.  There was a drought everywhere, so moving on was tempting. The king of the Philistines at Gerar was, of course, Abimelech.  This might have been the same King Abimelech whom Abraham ran into; this might have been a different one.  Since the name Abimelech translates roughly as “my father was the king,” it’s possible that this Abimelech was ju...

 "The Banishment of Hagar and Ishmael" by Adriaen van der Werff Yahweh made good on His promise and Sarah had her son right on time, despite her age and the lack of in vitro facilities in the Negev.   Abraham got to name him, obviously, since only a man would come up with a name like Isaac.   Abraham, something of a micromanager, also decided it should be up to him to circumcise the boy, and at eight days, he did it.   No parent in their right mind would trust a hundred-year-old man to serve as a mohel, but Abraham was enough of a control freak that he wasn’t bothered by this in the least.   Sarah, who was around her brother/husband Abraham’s age, was over the moon, and told as many people as she could. Sarah nursed Isaac, and on the day Isaac was to start solid food exclusively, Abraham threw a banquet, and everyone had fun.   This was a problem, because one of the people who had fun was Ishmael, the son Abraham had had with Hagar the sl...