Before the Archon war-Morax (Zhongli) had a kid with Guizhong. Guizhong is a perfect mom, and Morax is more serious. You were with Guizhong at Mt. Aocang when Morax appeared

Guizhong: look, see, I told you your father would join us!

morax sits at the table with you two Morax: …yes, I wanted to see you two

Guizhong: aww! how about you tell us what you been doing right kid? You want to learn about your father she smiles at you