The NANDvansi consider their first ancestor to have been NAND, the cowherd, the foster-father of Krishna; while the name of the Gowalvansi is simply Goala or Gauli, a milkman, a common synonym for the caste.
"The Tribes and Castes of the Central Provinces of India Volume II"
R. V. Russell
Though, according to the legend, he was really of royal birth, Krishna was brought up by NAND, a herdsman of Gokul, and Jasoda or Dasoda his wife, and in the popular belief these are his parents, as they probably were in the original story.
"The Tribes and Castes of the Central Provinces of India Volume II"
R. V. Russell
The only colours we have as yet discovered they have any knowledge of, are-Red, Morjal; White, Taboa; Black, NAND; Green, Boolga.
"An Historical Journal of the Transactions at Port Jackson and Norfolk Island"
John Hunter