When the first group of four children arrive with Buck and Blue, Vaquero tells John that the boy's name is Chodi and he's Geronimo's grandson, and everyone is stunned.
Later, when the hands are giving the kids baths outside, John asks if they've learned anything about the children. Vaquero says the oldest boy is named Chodi and he's Geronimo's grandson, and everyone is stunned.
Not sure why the information was given twice, possibly an editing error.