EXHIBIT 21.1

SUBSIDIARIES OF PROASSURANCE CORPORATION

PRA Professional Liability Group, Inc. (Delaware)

ProAssurance Indemnity Company, Inc. (Alabama)

ProAssurance Casualty Company (Michigan)

ProAssurance Specialty Insurance Company, Inc. (Alabama)

ProAssurance General Insurance Company, Ltd. (Bermuda)

Podiatry Insurance Company of America (Illinois)

PICA Management Resources, Inc. (Tennessee)

PACO Assurance Company, Inc. (Illinois)

ProAssurance Mid-Continent Underwriters, Inc. (Texas)

IAO, Inc. (Alabama)

PRA Group Holdings, Inc. (Delaware)

PRA Services Corporation (Michigan)

Medmarc Casualty Insurance Company (Vermont)

Hamilton Resources Corporation (Delaware)

Noetic Specialty Insurance Company (Vermont)

PRACCL, Ltd. (United Kingdom)

PRA Corporate Capital, Ltd. (United Kingdom)

ProAssurance Group Services Corporation (Alabama)

American Physicians Service Group, Inc. (Texas)    

Eastern Insurance Holdings, Inc. (Pennsylvania)

Eastern Re Ltd, S.P.C. (Cayman Islands)

Eastern Services Corporation (Pennsylvania)

Global Alliance Holdings Ltd. (Pennsylvania)

Eastern Advantage Assurance Company (Pennsylvania)

Allied Eastern Indemnity Company (Pennsylvania)

Eastern Alliance Insurance Company (Pennsylvania)

Employers Alliance, Inc. (Pennsylvania)