9 All these were the sons of David, besides his sons by his concubines. And Tamar was their sister.

Read 1 Chronicles 3:9 Using Other Translations

These were all the sons of David, beside the sons of the concubines, and Tamar their sister.
All these were David's sons, besides the sons of the concubines, and Tamar was their sister.
These were the sons of David, not including his sons born to his concubines. Their sister was named Tamar.