Giovanni's father, a veterinarian, was a close friend of the Redemptorists of Madonna dell'Olmo, Montecchio Emilia, and after the closure of the convent in 1859, a sizable portion of its library was placed in the Mercati home.
Giovanni Mercati (17 December 1866 – 23 August 1957) an Italian cardinal of the Roman Catholic Church
Don Giovanni | Giovanni Pierluigi da Palestrina | Giovanni Bellini | Giovanni Riggi | Giovanni Boccaccio | Giovanni Battista Pergolesi | Giovanni Battista Tiepolo | Giovanni Battista Guarini | Giovanni | Giovanni Trapattoni | Giovanni "John the Eagle" Riggi | Giovanni Gabrieli | Giovanni Falcone | Villa San Giovanni | San Giovanni in Persiceto | Giovanni Verga | Giovanni van Bronckhorst | Giovanni Tamagno | Giovanni Pacini | Giovanni Battista Pescetti | Giovanni Papini | Giovanni Hidalgo | Giovanni Domenico Cassini | Giovanni de' Medici | Giovanni Bottesini | Giovanni Battista Riccioli | Giovanni Zenatello | Giovanni Visconti | Giovanni Schiaparelli | Giovanni Pisano |
Two years later, alongside Cardinals Maglione, Pietro Boetto, Nicola Canali, Mario Nasalli Rocca di Corneliano, Alberto di Jorio, Giovanni Mercati, Raffaele Rossi, Carlo Salotti, Federico Tedeschini and Eugène-Gabriel-Gervais-Laurent Tisserant, he sat on a papal commission analyzing the situation created by the Spanish Civil War and the implications the conflict had on the Roman Catholic clergy in Spain.