Japan

Parent Martial Art from Japan

Jujutsu Techniques from the End of the Samurai Period

Daito-Ryu (Great School) Jujutsu, forerunner to 

Daito-Ryo Aiki Jujutsu

Yawara (Korean word for Jujutsu)

Korea

Parent Martial Arts from Korea

Sam Rang Do Tek Gi (Meditation and Weapons Training) 

Taekkyeon the forerunner to

Tang Soo Do

Tae Kwon Do

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The combination of Korea's Martial Arts and Yawara Jujutsu evolved into the following:  

Yu Sul, Yoo Sool, (or) Yu Kwon Sul

Hap Ki Yu Kwon Sool

Hap Ki Yu Kwon Sul

Hapkido (Official Name)

 

 USA

Traditional Korean Martial Art

Hapkido