en_tn/2ki/10/01.md

Jehu wrote letters and sent them to Samaria, to the rulers of Jezreel, including the elders and the guardians of Ahab's descendants​

​AT: "Jehu wrote and sent letters to the rulers of Jezreel in Samaria. These rulers included the elders and guardians of Ahabs descendants"

set him on his father’s throne

AT: "give him his father's kingdom," or "make him king in his father's place," (See: rc://en/ta/man/translate/figs-metonymy)

your master’s royal line

"Ahab's descendants"