Sultan Laut Buisan

Buisan
6th Sultan of Maguindanao
Reign	1597–1619
Predecessor	Datu Salikula
Successor	Muhammad Dipatuan Kudarat
Died	1619
Full name Datu Katchil Sultan Laut Buisan Kapitan Laut Buisan
Religion	Sunni Islam

Full name
Datu Katchil Sultan Laut Buisan Kapitan Laut Buisan

Kapitan Laut Buisan (reigned: 1597–1619), also known as Datu Katchil or Sultan Laut Buisan, was the sixth Sultan of Maguindanao in the Philippines. He was a direct descendant of Shariff Kabungsuwan, a Muslim missionary who preached Islam in the Philippines and established the sultanate after marrying a Sulu princess in the 16th century.

Buisan was the younger half-brother of Sultan Dimasangcay Adil (reigned: 1578–1585) and Sultan Gugu Sarikula (reigned: 1585–1597), both having ties with the Sultanate of Sulu. He controlled his nephew, the Rajah Muda or crown prince, after displacing his older brother Sarikula. The Rajah Muda was Dimasangcay's son. In 1597, Buisan lost at the Battle of Buayan. So, later, in 1602, he joined forces with Rajah Sirongan to raid Spanish settlements at Cuyo and Calamianes islands with 100 boats that could accommodate over 100 men each. In 1603, Buisan captured a Jesuit friar named Melchor Hurtado, thus assuring him enough influence to forge an alliance with the datus of Leyte. However, after an unsuccessful raid (pangangayaw as it was locally known) in 1606, Buisan distanced himself and the Rajah Muda away from Sirongan and established a new community by the Cotabato coast. Earlier, on September 8, 1605, Sirongan had already signed a treaty with the Spanish, swearing allegiance to the King of Spain. The Spanish recognized that Sirongan had real power over Maguindanao and not Buisan. Sirongan then helped the Spanish in fighting the Portuguese in Malacca. Soon enough, Sirongan's power waned. Buisan was succeeded by his son, Muhammad Dipatuan Kudarat (reigned: 1619-1671), who first distinguished himself in a raid in 1616.

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