Complex sentence: The art began with Mitsuyo Maeda (later known as Count Koma), a Judo and Japanese Jiu Jitsu expert emmigrating to Brazil in the 1910s where an influential politician named Gastão Gracie helped him get established.
Split into simpler sentences: The art began with Mitsuyo Maeda (later known as Count Koma), a Judo and Japanese Jiu Jitsu expert. Eventually, Maeda emmigrated to Brazil in the 1910s where an influential politician named Gastão Gracie helped him get established.