The second half of the tale deals largely with Egyptian ideas of kingship and the connection between divinity and the pharaoh. That Bata's wife ultimately ends up pregnant with him is a reference the duality of the role of women in pharaonic succession; the roles of wife and mother were often simultaneous.
The latter portion of the story mainly focuses on Egyptian notions of kingship and the connection between gods and pharaohs. Bata's wife ultimately gives birth to him, symbolizing the dual role women played in pharaonic inheritance: being both a spouse and a mother simultaneously.