Brahman is an old proposed language family

Language family

A language family is a group of languages related through descent from a common ancestor, called the proto-language of that family. The term 'family' comes from the tree model of language origination in historical linguistics, which makes use of a metaphor comparing languages to people in a...

 of Madang Province

Madang Province

Madang is a province on the northern coast of mainland Papua New Guinea. The province has many of the country's highest peaks, active volcanoes and its biggest mix of languages...

, Papua New Guinea

Papua New Guinea

Papua New Guinea , officially the Independent State of Papua New Guinea, is a country in Oceania, occupying the eastern half of the island of New Guinea and numerous offshore islands...

 that consisted of 4 languages: Biyom, Faita, Isabi, Tauya

Tauya language

Tauya is a Rai Coast language spoken in Madang Province, Papua New Guinea by approximately 350 people....

.

Genetic relations

John Z'graggen (1971, 1975) classified Brahman in his Madang–Adelbert Range family, which Stephen Wurm

Stephen Wurm

Stephen Adolphe Wurm was a Hungarian-born Australian linguist.- Biography :Wurm was born in Budapest, the second child to the German-speaking Adolphe Wurm and Hungarian-speaking Anna Novroczky, and was christened Istvan Adolphe Wurm...

 (1975) included in Trans–New Guinea. Ross (2005) broke up Brahman, placing Faita in Southern Adelbert but Tauya and Biyom in Rai Coast, though all three remain in the wider Madang-Adelbert family, and Isabi among the Goroka languages.