Concha was born in the area of
Lima, Peru called
Barranco in 1889. She studied at the Colegio del Sagrado Corazón de San Pedro and from a young age showed her literary ability. When she was fifteen she was involved in the deception of the Spanish poet, and later Nobel Laureate,
Juan Ramón Jiménez. José Gálvez, Carlos Rodríguez Hübner and her created a fictional woman named Georgina Hübner and they started a correspondence with the poet. José and Carlos were hoping to get access to his writing and Sanchez-Concha did the writing. Juan Ramón Jiménez later wrote an elegy
Carta a Georgina Hübner en el cielo de Lima which was published in his 1913 collection of poems
Laberinto. She was a member of the local
intelligentsia attending meetings and activities that were catalogued, photographed and reported by magazines like
La Crónica and
Variedades. Sánchez-Concha continued to develop her career as a writer, using the names
Belsarima or
Marisabidilla, in the Lima press. In 1913 using the name Belsarima she published her first book, Crónica limeña, with a prologue by the ex-librarian and magazine editor
Clemente Palma. She created the script for (From the asylum to marriage) in 1913 which was filmed by
Fernando Lund. It was said to be the second feature film made in Peru. She was the scriptwriter as well as one of the actresses. She also participated in the artistic community of
Quinta Heeren, where there was a painting workshop for women. In 1924 she directed the segment referring to the history of Peru in the documentary
El Perú ante el mundo. El film de La Prensa. These scenes describe the history from the Inca period to Peruvian independence. ==Private life==