Question: Who is Salin Mibaya's maternal grandmother?

Knowledge 1: Salin Mibaya
Salin Mibaya (also known as Narapati Medaw, နရပတိ မယ်တော်) was the chief queen of Viceroy Thado Dhamma Yaza II of Prome (r. 1551–1588).The second daughter of King Bayin Htwe of Prome and his chief queen Shwe Zin Gon was married three times.Her marriage to her first cousin Min Ba Saw—a son of her maternal uncle—was cut short when her brother King Narapati had him executed.Narapati then married her off to Sithu Kyawhtin, then governor of Salin, a powerful figure in the Confederation of Shan States, in a marriage of state in the late 1530s.(Prome was then a de facto vassal state of the Confederation, which controlled all of Ava territories except Toungoo in Upper Burma.)Her stay at Salin lasted until January 1544 when the city was captured by Toungoo forces under Gen. Bayinnaung.Her husband escaped to Ava (Inwa) but she was captured and sent to Pegu (Bago).In 1545, she was married to Nanda Yawda, a younger brother of Bayinnaung, at the coronation ceremony of Tabinshwehti at the Pegu Palace.She returned to her native Prome as queen in 1551 when her husband was appointed viceroy of the region by King Bayinnaung.She had two daughters by Nanda Yawda, now styled as Thado Dhamma Yaza II.Their elder daughter Hsinbyushin Medaw became the chief queen of Nawrahta Minsaw, the viceroy (and later king) of Lan Na.The younger daughter Min Taya Medaw was a major queen of Nanda. [SEP] Knowledge 2: Shwe Zin Gon
Shwe Zin Gon (also known as Min Shwe Gon) was the chief queen of King Bayin Htwe of Prome (r. 1526–1532).She was of Ava royalty, and a daughter of Mingyi Swa, viceroy of Prome (r. 1446–1482).In 1482, her paternal uncle Thado Minsaw took over Prome, and declared himself king.Thado Minsaw raised her mother Saw Myat Lay to chief queen.Shwe Zin Gon herself was later married to her first cousin Bayin Htwe, the eldest son of Thado Minsaw.Her eldest son Narapati was king of Prome from 1532 to 1539.
Knowledge 1: Salin Mibaya
Salin Mibaya (also known as Narapati Medaw, နရပတိ မယ်တော်) was the chief queen of Viceroy Thado Dhamma Yaza II of Prome (r. 1551–1588).The second daughter of King Bayin Htwe of Prome and his chief queen Shwe Zin Gon was married three times.Her marriage to her first cousin Min Ba Saw—a son of her maternal uncle—was cut short when her brother King Narapati had him executed.Narapati then married her off to Sithu Kyawhtin, then governor of Salin, a powerful figure in the Confederation of Shan States, in a marriage of state in the late 1530s.(Prome was then a de facto vassal state of the Confederation, which controlled all of Ava territories except Toungoo in Upper Burma.)Her stay at Salin lasted until January 1544 when the city was captured by Toungoo forces under Gen. Bayinnaung.Her husband escaped to Ava (Inwa) but she was captured and sent to Pegu (Bago).In 1545, she was married to Nanda Yawda, a younger brother of Bayinnaung, at the coronation ceremony of Tabinshwehti at the Pegu Palace.She returned to her native Prome as queen in 1551 when her husband was appointed viceroy of the region by King Bayinnaung.She had two daughters by Nanda Yawda, now styled as Thado Dhamma Yaza II.Their elder daughter Hsinbyushin Medaw became the chief queen of Nawrahta Minsaw, the viceroy (and later king) of Lan Na.The younger daughter Min Taya Medaw was a major queen of Nanda. [SEP] Knowledge 2: Kaoru Hatoyama
After the elections of 2009, she became more widely known as the grandmother of Prime Minister Yukio Hatoyama and his politician brother Kunio Hatoyama.
Knowledge 1: Salin Mibaya
Salin Mibaya (also known as Narapati Medaw, နရပတိ မယ်တော်) was the chief queen of Viceroy Thado Dhamma Yaza II of Prome (r. 1551–1588).The second daughter of King Bayin Htwe of Prome and his chief queen Shwe Zin Gon was married three times.Her marriage to her first cousin Min Ba Saw—a son of her maternal uncle—was cut short when her brother King Narapati had him executed.Narapati then married her off to Sithu Kyawhtin, then governor of Salin, a powerful figure in the Confederation of Shan States, in a marriage of state in the late 1530s.(Prome was then a de facto vassal state of the Confederation, which controlled all of Ava territories except Toungoo in Upper Burma.)Her stay at Salin lasted until January 1544 when the city was captured by Toungoo forces under Gen. Bayinnaung.Her husband escaped to Ava (Inwa) but she was captured and sent to Pegu (Bago).In 1545, she was married to Nanda Yawda, a younger brother of Bayinnaung, at the coronation ceremony of Tabinshwehti at the Pegu Palace.She returned to her native Prome as queen in 1551 when her husband was appointed viceroy of the region by King Bayinnaung.She had two daughters by Nanda Yawda, now styled as Thado Dhamma Yaza II.Their elder daughter Hsinbyushin Medaw became the chief queen of Nawrahta Minsaw, the viceroy (and later king) of Lan Na.The younger daughter Min Taya Medaw was a major queen of Nanda. [SEP] Knowledge 2: Hannah Arnold
Hannah Arnold, also known as Hannah Waterman King, was the grandmother of Benedict Arnolds children.

Answer: Saw Myat Lay