A century ago, Marcelo Benvenisteâ??s four Jewish grandparents emigrated from the Greek island of Rhodes to Argentina. Unlike many new arrivals on far-flung shores, they had little difficulty navigating their way through the challenges of a foreign tongue as as they already spoke Ladino, a language also known as Judaeo-Spanish that had been passed down through the generations since their ancestors fled Spain as part of the mass expulsion of Jews in 1492.