Biwako Sarutobi

was the wife of Hiruzen Sarutobi and the mother of the well known 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 apparently killed by Madara Uchiha immediately after Naruto's birth.

Quotes

 * (To Minato Namikaze) "Good Lord, you're the Fourth Hokage! Don't panic! This is why woman have babies, you men can't handle pain!."