Princess Sara

The daughter of the feudal warlord Oda Nobunaga Princess Sara is a talented ninja but is considered an enemy by many ninja clans due to her fathers actions and assassins are regularly sent after her. She is attended by a loyal retainer Rikimaru who is also a ninja. It is revealed that Sara climbs three mountains every day to stay fit. She once faked a marriage to ShimonoHanz to save Iga from an attack by her father and remains an ally of the ninja of Iga. Though she despises KaminoHanzs flirting her love for him is so strong that she would rather die than live without him. She becomes pregnant with KaminoHanzs child. Her daughter Kaguya is eventually born after the attack on Iga and was delivered with Usagis help. Source: Wikipedia