Zein Pun was a court official at the Martaban Palace of Hanthawaddy Kingdom

Hanthawaddy Kingdom

The Hanthawaddy Kingdom was the dominant kingdom that ruled lower Burma from 1287 to 1539. The Mon-speaking kingdom was founded as Ramannadesa by King Wareru following the collapse of the Pagan Empire in 1287 as a nominal vassal state of Sukhothai Kingdom, and of the Mongol Yuan dynasty...

, who seized the throne for seven days in 1331, following the death of King Saw Zein

Saw Zein

Saw Zein was the fourth king of Hanthawaddy Pegu from 1324 to 1331. A nephew of the kingdom's founder King Wareru, Saw Zein succeeded his brother King Saw O in 1324. He lost the southern territories of Tenasserim coast back to his nominal overlord Sukhothai, and looked to expand his territory...

 in the battlefield of Prome. Zein Pun's reign was short. Saw Zein's chief queen Sanda Min Hla

Sanda Min Hla

Sanda Min Hla was the queen consort of three kings of Hanthawaddy Kingdom, and the real palace power behind the throne. Her murder of her second husband King Saw E, grandson of king of Sukhothai provoked an invasion from Sukhothai...

 organized a putsch seven days later, and handed the throne to Saw E

Saw E

Saw E or Saw E Kankaung was the sixth king of Hanthawaddy Pegu, who ruled for a few months in 1331. He was a son of King Saw O and Princess May Hnin Htapi of Sukhothai. After the death of his uncle King Saw Zein in 1331, the young price was placed on the throne by Queen Sanda Min Hla...

, son of Saw O and the princess of Sukhothai

Sukhothai kingdom

The Sukhothai Kingdom ) was an early kingdom in the area around the city Sukhothai, in north central Thailand. The Kingdom existed from 1238 till 1438...

.