Sentence:  "What else? Anyway, here's the genealogy: Charles Junior's only son is Charles the Third - like royalty. He goes by <WSD>Chip</WSD> - Cassie's daddy. The mom is Cindy. The dead son was Chad - Charles the Fourth." / "All Cs," I said. "Sounds like they like order." 
Meaning of the word marked with <WSD> tags:  A diminutive of the male given names Christopher and Charles.