![Melvil Dewey](images/inventors/melvil-dewey.png)
![Gilbert de Clare](images/royal/gilbert-de-clare.png)
Family Relationship of
Melvil Dewey
Inventor of the Dewey Decimal System
19th Great-grandson to
Gilbert de Clare
Magna Carta Surety
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Dewey Decimal System
Inventor of the Dewey Decimal System
Magna Carta Surety
★ → Click or tap a name to see more details including source citations.
Dewey Decimal System