Blanca's father, Jacinto Gassó, was a merchant whose store, "El Bazar del Globo", was located on the lower floor of the family home.

He maintained tight control over his daughter's life, although he allowed her to socialize in literary circles and work as a writer.

The chroniclers of the time described Blanca as a tall, slender, blonde, and beautiful young woman, but her father scared away all her suitors.

Admitted to the Hospital Universitario de la Princesa in Madrid,[2] Blanca remained conscious during the first days, married her beloved in article mortis, dictated her will leaving all her assets, and personally requested her last rites.

[6] She was the author of works such as Corona de la infancia: lecturas poéticas y canciones para niños (Crown of childhood: poetic readings and songs for children) (1867)[6][7] and Cien cantares a los ojos (One hundred songs to the eyes),[2] in addition to dramatic pieces such as a praise to the Dos de mayo (Two of May) (1873),[8] and the comedy El primer vuelo (The First Flight) and the tragedy Numancia.