Their name may have come from words tew, meaning people, and duray, referring to a small bamboo hook and a line used for fishing.
[2] The Teduray culture was studied at length in the 1960s by anthropologist Stuart A. Schlegel.
He was profoundly moved by the egalitarian society he witnessed, and went on to write several books and papers on the subject, including Wisdom of the Rainforest: The Spiritual Journey of an Anthropologist.
[2] The Teduray, Lambiangan, and Manobo have jointly applied for recognition of their ancestral domain covering 289,268 hectares of land comprising the municipalities of Upi, South Upi, Ampatuan, Shariff Aguak, Datu Unsay, Datu Saudi, Guindulungan, Talayan, and Datu Odin Sinsuat in Maguindanao Province and portions of Esperanza, Lebak, Bagumbayan, Senator Ninoy Aquino, Kalamansig, and Palimbang in Sultan Kudarat Province and the city of Cotabato where the indigenous groups are predominantly situated.
[5][6] Over the years, however, like their Blaan and Tboli neighbors, many Teduray can speak and understand Maguindanaon, Tagalog as well as Hiligaynon, Cebuano and Ilocano, with the latter four were brought and introduced by these ethnolinguistic settlers from Tagalog-speaking provinces, Central Luzon, Panay, Negros, Cebu, Bohol, Siquijor and Ilocandia upon their arrival into Teduray homelands during the early 20th century, who in turn learned Teduray language upon contact with these indigenous tribe such as intermarriage.