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The BJJ Story

Lineage Tree

Marthin Hamlet Nielsen in the BJJ lineage

Explore who taught whom. These connections show teachers and students, rather than family relationships. Search for a person to follow their connections and sources.

The BJJ Story published lineage registry

Teachers with a documented lineage

Each page lists that teacher’s documented students, with the source behind every connection.

76 teachers in all
2696 persons774 source-linked connections

Marthin Hamlet Nielsen

Purple beltNorwayCarlson Gracie

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No students are shown on this page.