Biwako Sarutobi

was the wife of Hiruzen Sarutobi and the mother of Asuma Sarutobi. She was one of the few people to know about the special circumstances surrounding Naruto Uzumaki's birth, acting as a midwife for Kushina Uzumaki. She was knocked down by Madara Uchiha immediately after Naruto's birth.

Quotes

 * (To the Fourth Hokage)