Sithu Kyawhtin

Sithu Kyawhtin Narapati IV of Ava စည်သူကျော်ထင်
King of Ava
Reign	c. October 1551 – 22 January 1555
Predecessor	Narapati III
Successor	Thado Minsaw (as Viceroy)
Chief Minister	Baya Yandathu
Born	November/December 1495 Wednesday, 857 ME
Died	Pegu
Consort	Narapati Mibaya Salin Mibaya (m. 1530s–1544)
Issue	Mingyi Yan Taing
House	Mohnyin
Religion	Theravada Buddhism

Sithu Kyawhtin (Burmese: စည်သူကျော်ထင်, pronounced: [sìθù tɕɔ̀tʰɪ̀ɴ]; also known as Narapati Sithu (နရပတိ စည်သူ, [nəɹa̰pətḭ sìθù])) was the last king of Ava from 1551 to 1555. He came to power by overthrowing King Narapati III in 1551, the culmination of his six-year rebellion (1545–1551) with the support of the Shan state of Mohnyin.

As king, he was able to get all members of the Confederation of Shan States to unite against an impending invasion by King Bayinnaung of Toungoo Dynasty. He sought a peace treaty with Bayinnaung but was rebuffed. The Ava-led Confederation withstood the initial invasion by Toungoo in 1553 but could not stop a larger invasion a year later. The fallen king spent his remaining years in an estate at Pegu (Bago). He repaid the good treatment by suppressing the 1565 rebellion at the capital while Bayinnaung was away in Chiang Mai. He was given many honors by Bayinnaung.

Little is known about the background of this king. According to the chronicle Zatadawbon Yazawin, he was an ethnic Burman. But colonial period historians Arthur Purves Phayre and G.E. Harvey called him an ethnic Shan. Phayre went as far to say that he was a son of Sawlon I of Mohnyin, the conqueror of Ava. Neither historian provided citations for their assertions however. The standard Burmese chronicles Maha Yazawin and Hmannan Yazawin only say that Sithu Kyawhtin was a thwethauk brother of Sawlon II of Mohnyin. (Thwethauk means men who have ritually entered into "a sacramental brotherhood" by drinking each other's blood.)

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