To Subdue the Evil (1971)

Separated at birth by tragedy, two twin brothers find their lives careening towards a deadly showdown in this action-packed tale of deception and treachery. Two baby boys born of special blood are being tattooed by their parents when a malevolent kung fu clan enters their school and slays the children's parents. While both children are spared, they are soon separated and forced down disparate paths in life. One day, as if by fate, the two brothers come face to face for an ultimate duel to the death.