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In page Rajah Sulayman:

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According to the genealogy proposed by Mariano A. Henson[1] in 1955, and asserted by Majul in 1973,[2] Sulayman was the 14th[1] Raja of Manila since it was founded as a Muslim[1] principality in 1258[1] by Rajah Ahmad when he defeated the Majapahit Suzerain Raja Avirjirkaya.[1]