shim.ah identifies the father of Jonadab and names him as David's brother in the cited narrative.

The term is used as a proper personal name in identifying Jonadab's father and specifying that this man is David's brother in 2 Samuel 13:3 and 2 Samuel 13:32.

1. Personal name in Jonadab's family identification · dominant

   In 2 Samuel 13:3, the proper noun occurs in the phrase identifying Jonadab as the son of this named man, who is also called David's brother; the APB renders the identification as "Jonadab son of Shimeah brother of David." In 2 Samuel 13:32, the same proper-noun use again identifies the speaker Jonadab by his father and David's brother.

   2 Samuel 13:32 Samuel 13:32

In the Anselm Project Bible: The APB presents the name as "Shimeah" in both cited verses, within Jonadab's family identification. The clauses confirm the name's identifying function rather than a separate English lexical rendering.