tach.pe.nes is a personal name borne by a queen and used in reference to her sister.

The attested forms function as a personal name: in 1 Kings 11:19 it identifies the queen, and in 1 Kings 11:20 it identifies her through the phrase “the sister of Tahpenes.”

1. Personal name identifying a queen · dominant

   Both occurrences are tagged Noun · Proper. In 1 Kings 11:19 the APB renders the queen by name in Pharaoh’s family setting, while in 1 Kings 11:20 the name identifies the woman whose sister bore Genubath.

   1 Kings 11:191 Kings 11:20

In the Anselm Project Bible: The APB presents the name directly as “Tahpenes” in both verses, first for the queen and then in the phrase “The sister of Tahpenes.” It does not isolate the contribution of each original-language form beyond this identification.