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Caquetio, Caiquetio, or Caiquetia, were natives of northwestern Venezuela, living along the shores of Lake Maracaibo at the time of the Spanish conquest. They moved inland to avoid enslavement by the Spaniards but were eventually destroyed as were their neighbours, the Quiriquire and the Jirajara. The Caquetíos were also present in Aruba, Curaçao and Bonaire when these islands were first discovered by Alonso de Ojeda in a.d 10.The occupants of this region were known as Caquetíos by the Spaniards and their language (Caquetío) belongs to the Arawakan family of languages. The Caquetío and the Jirajara spoke the same language, and their cultures were quite similar. The Arawakan or Caquetío language is termed a "ghost" language because virtually no trace of it survives. Only the name remains, saved in 17th-century texts.
Aruba, Curaçao and Bonaire
When the Spanish arrived in Aruba around 1500 they found the Caiquetios in Aruba, living much as they did in the Stone Age. The Caiquetios had probably migrated to Aruba, Curaçao and Bonaire in canoes made from hollowed out logs they used for fishing. Such crossings from the Paraguana peninsula in Venezuela, across the 17 miles of open sea to Aruba, would be possible in the canoes the Caiquetios of Venezuela built.
During the first years of colonization, the natives of Aruba were described by the Spaniards as Caquetíos. In addition, the Caquetíos in the mainland were the tribe geographically closest to Aruba, and archaeological evidence points towards close ties between both groups during pre-Columbian times. Perhaps as many as 600 lived in Aruba at the time of the Spanish discovery in 1499.
Together with Curaçao and Bonaire, Aruba was declared an island without use in 1513, and two years later some 2000 Caquetíos from the three islands combined were transported to Hispaniola to work in mines. These people presumably comprised the entire population of the islands, but 150 to 200 were returned to Aruba and Curaçao in 1526 to work on the exportation of brazilwood, kwihi, and divi-divi. The people returned to Aruba and Curaçao were mainly Caquetíos, but some Arawaks from other Caribbean islands were included in the group. Because of the complexity of the Aruba cave labyrinths, it is possible that they were mostly natives who had escaped deportation, but they could have been recent migrants from the mainland. In addition, substantial mainland-to-Aruba migrations of escapees occurred from 1529 to 1556, during the development of the Venezuelan colony (Haviser, 1991).
Aruba was neglected by the Spaniards from 1533 until the Dutch conquest of 1636, when Spanish and native languages (especially Caquetío) were widely spoken. Upon the Dutch conquest the Spaniards fled, and the natives were deported to the mainland because they were regarded as sympathetic to the Spaniards. However, in that same year of 1636, the Dutch West Indian Company assigned Aruba the duty of breeding horses and cattle, and natives were chosen for these endeavors because they had a good reputation as wild-horse hunters. Also, some in war with Spaniards west of Maracaibo fled to Aruba.
The importance of Aruba diminished after the 1648 Dutch Peace Treaty with Spain, and the island was neglected again. In 1655, the Dutch West Indian Company recognized free inhabitants of Aruba as trade partners. These people were assigned a piece of land on which to maintain themselves through cultivation; they also cut and sold wood and exploited marine resources. In his description of the Aruban way of life during the second half of the 17th century, A.O. Exquemelin points out that the people spoke Spanish, were Catholic, and were visited frequently by Spanish priests from the mainland. As an example of their strong links with the mainland, some 200 residents agreed to leave Aruba in 1723 to raise the Venezuelan town of El Carrizal under the ecclesiastic jurisdiction of the city of Coro.
The Dutch record that the last true native of Aruba died in Aruba around 1862, however, even today, features remain in the faces of many of the native Arubans. Recent Mitochondrial DNA Analysis in Aruba has shown the existence of amerindian DNA still present in population. 
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- Hertog, Johannes (1961). History of the Netherlands Antilles. Dewitt.
- Hutkrantz, Ake (1979). The Religions of the American Indians. M. Setterwall, trans. Berkeley: University of California Press.
- Steward, Julian et al., eds (1959). Native Peoples of South America. New York: McGraw Hill.