What does 1 Chronicles 4:17 mean?

Ezrah’s sons were Jether, Mered, Epher, and Jalon. Mered married Bithiah, who was Pharaoh’s daughter, and she had Miriam, Shammai, and Ishbah, who started the town of Eshtemoa. 1 Chronicles 4:17 - Modern Text Bible

(This verse highlights a marriage between an Israelite and an Egyptian princess, showing how family lines sometimes crossed national boundaries.)