Amendeuix-Oneix is located some 50 km east by southeast ofBayonne and 40 km south-west ofOrthez in the Mixe country in theformer Basque province ofLower Navarre. The village can be accessed by the D124 road fromGarris in the west passing northeast to the village then continuing north to join the D29. The D11 road also passes through the south of the commune from Garris toSaint-Palais. The small D511 road links the D11 to the D124 within the commune.[5]
Located in theDrainage divide of theAdour, the northern part of the eastern border of the commune is theBidouze which flows north to join theAdour west ofPeyrehorade. The southern part of the eastern border consists of theJoyeuse with many tributaries rising in the commune including theAlgueruko erreka, theSallarteko erreka, and theSoubiaga erreka. TheAitzeguerris rises just south of the village and flows into the Bidouze.
The currentBasque name isAmendüze-Unaso.[7] Jean-Baptiste Orpustan[8] suggested that Oneix means the 'place of abundant hills'.Brigitte Jobbé-Duval[3] however suggested that Oneix came from the BasqueUnanu which means theAsphodelus (plant) and signifies a "place where the asphodelus is abundant. She also suggested that the origin of Amendeuix was Aquitane-Roman to designate a noble domain.
The following table details the origins of the commune name and other names in the commune.
In the 16th century (1594), evidence of witchcraft was reported by an admonition to the States of Navarre by the Prosecutor of Mixe (together with those of Arberoue, Ostabaret,Irissarry,Ossès,Baigorri, andLa Bastide-Clairence), who complained of a lack of prosecution and requesting that each town or district of Lower Navarre elect "two men of good character who are not suspects to find and punish the perpetrators of these crimes of witchcraft, apostasy, and magic: to be joined with the people of Roy and all at the expense of those convicted or, in case of insolvency, to those countries and places which will be instructed". Part of this admonition followed a request from the inhabitants of Amendeuix dating from 1587 who claimed to have been victims of "spells that were manifested mainly by evil barking".[15]
The village of Oneix joined with Amendeuix to form the commune of Amendeuix-Oneix on 27 August 1846.
In 1350 ninefires were reported in Oneix and 15-18 in Amendeuix.[17]
The fiscal census of 1412-1413,[18] made[19] on the orders ofCharles III of Navarre, compared with that of 1551men and weapons that are in this kingdom of Navarre this side of the ports,[20] reveals a demography with strong growth. The first census indicated the presence of 13 fires in Amendeuix with the second showing 40 (33 + 7 secondary fires). The same census reported 8 fires in Oneix in 1412-1413 against 17 (14 + 3 secondary fires) in 1551.
The census of the population ofLower Navarre in 1695[21] counted 63 fires at Amendeuix and 20 at Oneix.
In 2017 the commune had 448 inhabitants. The population data given in the table and graph below include the former commune of Oneix.
According to theMap of the Seven Basque Provinces published in 1863 by PrinceLouis-Lucien Bonaparte the dialect of Basque spoken in Amendeuix-Oneix is eastern low Navarrese.
^Census cited by Manex Goyhenetche inGeneral History of Basque Country - Vol. 3, Elkarlanean, 2001,ISBN2 9131 5634 7, p. 26.(in French). The same work by Manex Goyhenetche indicated on page 284 that there was an average of 5.5 people perfire.
^Transcribed and published by Ricardo Cierbide,Censos de población de la Baja Navarra, Max Niemeyer Verlag, Tübingen, 1993
^Departmental Archives of Pyrénées-Atlantiques, E 575, transcribed by Louis Baratchart inThe Friends of Old Navarre, January 1995, pages 44-54(in French)
^Bibliothèque nationale, 6956, Moreau Register 979, cited by Manex Goyhenetche inGeneral History of Basque Country - Vol. 3, Elkarlanean, 2001,ISBN2 9131 5634 7, page 299(in French)