In an earlier version of the pilot episode , Katara 's name was Kya : a name later re-used as her mother 's name and later that of her daughter .
In the sequel series , Katara is revealed to have married Aang and had three children .
In an earlier version of the pilot episode , Katara 's name was Kya : a name later re-used as Katara 's mother 's name and later that of her daughter .
In the sequel series , Katara is revealed to have married Aang and had three children .