Ysabel del Valle
María Eufemia Ysabel Varela del Valle (March 21, 1837 – March 28, 1905), more commonly known as Ysabel del Valle, was a Californio philanthropist, ranchera and the matriarch of a prominent Valle family. She was the inspiration for the rancho matron character "Señora Moreno" in Helen Hunt Jackson's novel Ramona (1884).