Karai (Hamato Miwa)

Karai is a member of the Fut clan, and is the half-sister to four turtles
*Father: Hamato Yoshi
Step-brothers: Leonardo Hamato, Michaelangelo Hamato, Donatello Hamato, Raphael Hamato
Father who raised her: Oroku Saki

Her backstory:

Karai was born in Japan in the Hamato clan, she is the blood daughter of Hamato Yoshi (Splinter), but after the incident with Oroku Saki (Shredder), Saki took Miwa to himself in order to take revenge on his longtime friend Hamato Yoshi.
Miwa, who raised by Shredder all her life, grew up as a kunoichi without knowing that her father was Splinter.