The answer is: Isaac

Gen 26:6-7 - Abraham did exactly the same thing in Gerar, but God hadn't told him to remain in Gerar as he did with Isaac.

Isn’t it fascinating how history tends to repeat itself? Isaac found his way into a bit of trouble in Gerar when he followed in his father Abraham’s deceptive footsteps. When questioned by the men of Gerar about the lovely Rebekah, Isaac claimed she was his sister instead of his wife—just like Abraham had done with Sarah in the same region. This raises interesting questions about human instincts toward self-preservation and the ways we wrestle with truth.

Both men faced challenges that revealed how much they depended on divine guidance while still resorting to half-truths. Did you know, according to the customs of the time, it was not unusual for individuals to adopt such disguises to protect their loved ones? Though the practice may sober us today, it sheds light on the narrative’s tension between divine will and human weakness.

Something else to consider is that Gerar is a recurring backdrop in the stories of the patriarchs. That’s no coincidence! It almost acts like a character itself, symbolizing a place of testing and revealing true nature. It's reminiscent of how great lessons are often learned the hard way.

So, while Isaac’s lie was indeed a sort of echo of his father's actions, it also doesn't escape the notice that God wove protection into these stories, resolving conflicts created by human error. This tale is richly intertwined, showcasing how lessons from one generation often resonate deeply in the next.