Rajah Siawi (sometimes called Rajah Siagu) was the ruler of the Rajahnate of

Butuan Butuan (pronounced ), officially the City of Butuan ( ceb, Dakbayan sa Butuan; Butuanon: ''Dakbayan hong Butuan''; fil, Lungsod ng Butuan), is a 1st class highly urbanized city in the region of Caraga, Philippines. It is the ''de facto'' ca ...

and Calagan ( Surigao) during the arrival of

Ferdinand Magellan Ferdinand Magellan ( or ; pt, Fernão de Magalhães, ; es, link=no, Fernando de Magallanes, ; 4 February 1480 – 27 April 1521) was a Portuguese explorer. He is best known for having planned and led the 1519 Spanish expedition to the East ...

Limasawa Island Limasawa, officially the Municipality of Limasawa ( Cebuano: ''Lungsod sa Limasawa''; Filipino: ''Bayan ng Limasawa''), is an island municipality in the province of Southern Leyte, Philippines. According to the 2020 census, it has a population ...

. A cousin of

Rajah Humabon Rajah Humabon, later baptized as Don Carlos, (died April 27, 1521) was the Rajah of Cebu (an Indianized Philippine polity). Humabon was Rajah at the time of the arrival of Portuguese-born, Spanish explorer Ferdinand Magellan in the Philippines ...

of the Rajahnate of

Cebu Cebu (; ceb, Sugbo), officially the Province of Cebu ( ceb, Lalawigan sa Sugbo; tl, Lalawigan ng Cebu; hil, Kapuroan sang Sugbo), is a province of the Philippines located in the Central Visayas region, and consists of a main island and 167 ...

, Rajah Siawi was one of the first rulers (along with Rajah Kulambo, the ruler of

Limasawa Limasawa, officially the Municipality of Limasawa ( Cebuano: ''Lungsod sa Limasawa''; Filipino: ''Bayan ng Limasawa''), is an island municipality in the province of Southern Leyte, Philippines. According to the 2020 census, it has a population ...

Island) to accept Christianity and attend the first Catholic Mass in the

Philippine Islands The Philippines (; fil, Pilipinas, links=no), officially the Republic of the Philippines ( fil, Republika ng Pilipinas, links=no), * bik, Republika kan Filipinas * ceb, Republika sa Pilipinas * cbk, República de Filipinas * hil, Republ ...

. Rajah Siawi and Rajah Kulambo formed a Blood Compact with Ferdinand Magellan in March 1521, claiming ownership of the islands for King Charles V. He named the island as the Archipelago of Saint Lazarus on March 16, 1521.

References

* Anchi Hoh.�
Catholicism in the Philippines during the Spanish Colonial Period 1521-1898
��.''Library of Congress''.(Accessed on 10 February 2021). * �

��.''Bohol-Philippines.com''.(Accessed on 10 February 2021). * “Historical Development”.''Lalawigan ng Agusan del Norte''.(Accessed on 10 February 2021). * Nowell, C.E. (1962). "Antonio Pigafetta's account". ''Magellan's Voyage Around the World''. Evanston, IL: Northwestern University Press. hdlbr>2027/mdp.39015008001532

OCLC OCLC, Inc., doing business as OCLC, See also: is an American nonprofit cooperative organization "that provides shared technology services, original research, and community programs for its membership and the library community at large". It was ...

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Butuan 16th-century rulers in Asia Christian monarchs