He was the eldest child of Chief Minister Min Yaza, and also served as a senior commander in the Royal Ava armed forces.
[5][6] The appointments were designed to retain Min Yaza's support by the new king, who had come to power only after a contentious succession crisis.
As governor of a major fief, Sithu served in the Royal Ava Armed Forces, and fought in various campaigns—from Hanthawaddy in the south (1408–1410),[16] to Arakan in the west (1411–1412)[17] to Hsenwi in the northeast (1412).
[note 5] While it is not clear if Sithu Pauk Hla had fallen in action or had died by natural causes, he did not lose the governorship because his father had lost power.
[3] The following is a list of military campaigns in which Sithu of Yamethin is explicitly mentioned in the royal chronicles as a commander.