Exhibit 23




         Consent of Independent Registered Public Accounting Firm



We consent to the incorporation by reference in the Registration Statement
(Form S-8 No. 333-69895) pertaining to The Ohio Casualty Insurance Company
Employee Savings Plan of our report dated May 26, 2006, with respect to the
financial statements and schedule of The Ohio Casualty Insurance Company
Employee Savings Plan included in this Annual Report (Form 11-K) for the
year ended December 31, 2005.



/s/ Ernst & Young, LLP

Cincinnati, Ohio
June 19, 2006