Rajah Colambu
Rajah Colambu was a pre-colonial Filipino ruler of Limasawa and/or Butuan who famously the first local ruler in the Archipelago to establish ties with the Spanish. Rajah Colambu is known for participating in the first Catholic Mass in the Philippines in March 31, 1521, and formed a blood compact with the Ferdinand Magellan, symbolizing early alliances and trade.
Historical manuscripts about the Rajah is limited, mostly dependent on the records from Antonio Pigafetta and Francisco Albo. From the limited records, it is understood that he is the brother of Rajah Siawi of the Kingdom of Butuan and was a cousin to Rajah Humabon of Cebu.