Do you believe Abraham existed ,
Do you believe Jehuda the son Jacob existed.
Do you believe King David existed ?
Do you believe Herod the great existed ?
Do you believe Akiba existed ?
Abraham is most likely a mythological figure. If there really was an Abraham then it's certain that his life didn't go down as depicted in the bible, humans just don't live that long. Jacob is another in this category.
While there was a Hebrew kingdom in the area, albeit a rather small one, the King David depicted in the bible is another myth. No record of him outside of the bible and those records aren't exactly sterling.
Herod actually existed, we have records of him and his rule. Interestingly enough though, there's no record of any infanticide under his reign, that's only found in one of the gospels. So we can be fairly certain that it never happened.