In Ocarina of Time, Impa was born and raised in Kakariko Village, the village of the Sheikah. Impa escaping from Ganondorf with Princess Zelda from Ocarina of Time The Legend of Zelda: Breath Of The Wild - The Champions' Ballad Review Knowing that this was the one she had been looking for, Impa told him the whole story and asked him to go save Princess Zelda. However, she was saved by a strange boy who managed to chase away Ganon's henchmen. Though she managed to stay out of their reach for a long time, she was eventually captured. Ganon soon found out and sent his men after Impa. When Hyrule was under attack by Ganon's forces in The Legend of Zelda, Princess Zelda ordered her old nursemaid Impa to secretly flee and find the one who could save them.
In The Legend of Zelda, Impa appears in the game as an Old Woman, however she is only named in the game's manual.
Link aiding Impa from The Legend of Zelda