Detailed biography: According to geni.com, Costantino was the son of Gaetano Riccardi and Luisa Riccardi, the husband of Екатерина Александровна Волженская, and the father of ??? Де Крещенцо (Кресченцо) and ??? Де Крещенцо (Кресченцо). And according to a bio on an Amazon page, for which they cite MusOpen.org, "Costantino De Crescenzo was an Italian composer and pianist. He started his musical studies at a very young age at the Conservatorio San Pietro a Maiella, of which S. Mercadante was the Director in that time. There he perfected his piano playing under the guidance of F. Valente and then in composition with C. Conti, he was also later asked to assist the Mercadante, who had become blind, with the direction of the consevatory." However, VIAF lists Brazil as one of the countries he was associated with, but it is unclear what the connection was.
