Wikipedia
The Maragtas is a work by Pedro Alcantara Monteclaro titled (in English translation) History of Panay from the first inhabitants and the Bornean immigrants, from which they descended, to the arrival of the Spaniards. The work is in mixed Hiligaynon and Kinaray-a languages in Iloilo in 1907. It is an original work based on written and oral sources available to the author.
The Maragtas is an original work by the author, which purports to be based on written and oral sources of which no copy has survived. The author makes no claim that the work contains a transcription of particular pre-Hispanic documents. The work consists of a publisher's introduction by Salvador Laguda, a foreword by the author, six chapters, and an epilogue. The first chapter describes the former customs, clothes, dialect, heredity, organization, etc. of the Aetas of Panay, with special mention of Marikudo, son of old Chief Polpulan; the second chapter begins a narrative of the ten datus flight from Borneo and the tyranny of Rajah Makatunaw there, and their purchase of the island of Panay from Marikudo; the third chapter tells of the romance of Sumakwel, Kapinangan and her lover Gurung-garung; the fourth chapter concludes the tale of the ten datus, telling about their political arrangements and their circumnavigation of the island; the fifth chapter describes language, commerce, clothing, customs, marriages, funerals, mourning habits, cockfighting, timekeeping techniques, calendars, and personal characteristics; the sixth and final chapter gives a list of Spanish officials between 1637 and 1808; the epilog contains a few eighteenth-century dates.
A Borneon leader was oppressing the 10 Datus. In 1212 the Visayas received the Sabahan 10 Datus.