Complex sentence: By that time Cervoni lived at Collège d'Espagne, now part of Cité Internationale Universitaire de Paris, where he met and lived with famous Spanish writer Pío Baroja y Nessi and Spanish painter José Gutiérrez Solana.
Split into simpler sentences: By that time Cervoni lived at Collège d'Espagne, now part of Cité Internationale Universitaire de Paris. It was there where he met and lived with famous Spanish writer Pío Baroja y Nessi and Spanish painter José Gutiérrez Solana.