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| Geography | |
|---|---|
| Location | Ohio River, West Virginia |
| Coordinates | 39°22′55″N 81°15′41″W / 39.3820193°N 81.2615033°W |
| Administration | |
First Brother Island is an island on the Ohio River along the shores of the city of Belmont in Pleasants County, West Virginia, USA. French Creek empties into the Ohio on its eastern end. First Brother Island contains a number of operating oil wells.