What does 1 Chronicles 4:19 mean?

Hodiah’s wife was the sister of Naham. She had Keilah, who started the town of Garmite, and Eshtemoa, who started the town of Maacathite. 1 Chronicles 4:19 - Modern Text Bible

(This verse lists more family connections and the towns that came from these lines, showing how families shaped the land.)