Gino Cassinis (27 January 1885 – 13 January 1964) was an Italian Democratic Socialist Party politician. He was born in Milan. He was mayor of Milan. He was knight grand cross and grand officer of the Order of Merit of the Italian Republic. He died in Rome. Using only the above description and what you know about the world, "Gino Cassinis was an only child" is definitely correct, incorrect, or inconclusive? 