Mariano Sumatra of Loon town went with a priest to Manila (to study perhaps) and surfaced in Mindanao as a pro-Katipunan organizer. He went back to Bohol and settled in Biabas, Guindulman where he started a community that used its own alphabet, signs and languages reportedly to continue his advocacy and evade suspecting authorities. He introduced a communal system of agriculture with him providing the inputs and the farmers giving back to him a portion of their harvest, thus he became a "datahan", someone to whom one makes a "data", or installment payment. While the Eskayas could be considered as a tribe, this may be as far only as their unique social, economic and learning systems are concerned. If we consider race, they do not belong to one other than ours. A lot of research and "scholarly" works have been done on Eskaya, unya ingon lang diay niini ka yano ang iyang sugilanon. Maora og daghan ang nailad. Creativity lang gyud sa mga Bol-anon nang mga alphabets, signs and symbols nga presumably gikan pa kuno sa mga laing nasud sa Southeast Asia.
While in Biabas, Anoy frequently visited his hometown and even convinced some of his friends and relatives to join him in Biabas. This may explain why surnames that are common in Loon (most if not all are in Spanish) are carried by some households in Guindulman and in Duero, where another Eskaya community was established. The many Datahans and Sumatras in Bohol are, therefore, blood relatives.
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