Thanks, Rodrigo...
... we will never know and I see no reason why we should.
"Seagal should take of all of his personal stories and release his memoirs"
- That will never happen. If it does, it will be a fictional humour book, because otherwise, if the stories include any form of 'intelligence' they would not be allowed a release by the government and Seagal could even be put in jail for treason.
"I remember reading that he used to battle other Aikido-Ka's in Japan the ones who challenged him for being a white boy in Japan learning Aikido."
I read the same thing myself somewhere. It was sort of like Bruce Lee battling the Americans and the American Chinese when he moved to San Francisco.