48 Caleb’s concubine Maakah was the mother of Sheber and Tirhanah.

Read 1 Chronicles 2:48 Using Other Translations

Maachah, Caleb's concubine, bare Sheber, and Tirhanah.
Maacah, Caleb's concubine, bore Sheber and Tirhanah.
Another of Caleb’s concubines, Maacah, gave birth to Sheber and Tirhanah.