What does 1 Chronicles 6:38 mean?

Zephaniah was the son of Tahath, who was the son of Assir, who was the son of Ebiasaph, who was the son of Korah. 1 Chronicles 6:38 - Modern Text Bible

(This verse links the family back to Korah, a well-known ancestor among the Levites. The line is being traced carefully to establish legitimacy.)