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Exhibit 21.1

Subsidiaries of Bonanza Creek Energy, Inc., a Delaware corporation

        Bonanza Creek Energy Operating Company, LLC, a Delaware limited liability company

        Bonanza Creek Energy Resources, LLC, a Delaware limited liability company

        Bonanza Creek Energy Upstream, LLC, a Delaware limited liability company

        Bonanza Creek Energy Midstream, LLC, a Delaware limited liability company

        Holmes Eastern Company, LLC, a Delaware limited liability company

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Exhibit 21.1

Subsidiaries of Bonanza Creek Energy, Inc., a Delaware corporation