en_tn_lite_do_not_use/psa/089/030.md

his children

"David's descendants"

punish their rebellion with a rod

God punishing David's descendants is spoken of as if he would hit them with a rod. The abstract noun "rebellion" can be stated as a verb. AT: "punish them for rebelling against me" (See: rc://en/ta/man/translate/figs-metaphor and rc://en/ta/man/translate/figs-abstractnouns)

their iniquity with blows

God punishing David's descendants is spoken of as if God would literally hit them. This can be stated as a complete sentence. AT: "I will punish them because they sinned against me" (See: rc://en/ta/man/translate/figs-metaphor and rc://en/ta/man/translate/figs-ellipsis)