Dueñas river Jalaur is known for its first class quality of sand and gravel and became the quarry capital of Western Visayas.

In 1641, the neighboring pueblo of Baong to the east became so small after it has been depopulated twice[6] that it was annexed as a visita to Laglag and remained as such for 182 years.

On March 8, 1820, with the support of 31 cabezas de barangay of the principalía of the visita of Dingle [formerly Baong], and the parish priest of Laglag, Fray Juan Raile, a petition for the re-elevation of Dingle into a pueblo was submitted to Miguel Calderón, alcalde mayor (equivalent to the present-day provincial governor) of Iloilo, through the leadership of the Dingleño teniente mayor (municipal vice-mayor) of Laglag, Don Juan Marcelino Dayot (Dingle gobernadorcillo, 1829–1835).

As a result, the girl tricked the aswangs into killing their own kind and escaped, while the fate of the other classmate was unknown.

Sources state that the whole story and characters were all fictional and is a product of old native literature by the elderly Ilonggo people.

It has even been referenced to in popular culture specifically in a few Philippine horror films and is also widespread outside Iloilo and the rest of Panay, with various versions of the tale.