Almost every year when teaching through Old Testament survey class, I get asked whether Boaz was the son of Rahab. According to the genealogy of Matthew 1:5, Salmon was the father of Boaz by Rahab. So that seems to settle the issue then. Many people assume that Boaz was Rahab’s son, and perhaps Rahab herself would have told stories to Boaz about God’s gracious intervention in her life. Rahab being the mother of Boaz certainly preaches well! However, there are some complications. Boaz Probably Lived 200+ Years After Rahab We have a bit of a conundrum, because Ruth 4:21–22 gives us David’s likely relationship with Boaz. We can trace David’s genealogy as follows: We know David becomes king over Judah around 1010 BC. So, if we trace the Ruth genealogy, we see that the story of Boaz probably took place shortly before 1100 BC. We can calculate that by running…