Complex sentence: Master Miyazaki, who was born September 25,1944 in Tokyo, Japan, began his karate training at the age of 15 under Master Tomasaburo Okano at the Kenkojyuku Dojo.
Split into simpler sentences: Master Miyazaki, who was born September 25,1944 in Tokyo, Japan. He began his karate training at the age of 15 under Master Tomasaburo Okano at the Kenkojyuku Dojo.