SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549
                                 ---------------
                                  SCHEDULE 13G
                                 (Rule 13d-102)

             INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT
             TO RULES 13d-1(b) AND (c) AND AMENDMENTS THERETO FILED
                              PURSUANT TO 13d-2(b)
                                (Amendment No. 1)

                            Ohio Casualty Corporation
       -------------------------------------------------------------------

                                (Name of Issuer)

                          Common Stock, $.125 par value
       -------------------------------------------------------------------

                         (Title of Class of Securities)

                                    677240103
       -------------------------------------------------------------------

                                 (CUSIP Number)

                             James C. Kennedy, Esq.
                             One East Fourth Street
                             Cincinnati, Ohio 45202
                                 (513) 579-2538
       -------------------------------------------------------------------

                  (Name, Address and Telephone Number of Person
                Authorized to Receive Notices and Communications)


                                December 31, 2000
     ----------------------------------------------------------------------
             (Date of Event which Requires Filing of this Statement)


Check the  appropriate box to designate the rule pursuant to which this Schedule
is filed:

         / X /    Rule 13d-1(b)
         /   /    Rule 13d-1(c)
         /   /    Rule 13d-1(d)
                                Page 1 of 6 Pages






                    CUSIP NO. 677240103 13G Page 2 of 6 Pages
Pages

1    NAME OF REPORTING PERSONS
     S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS

         American Financial Group, Inc.             31-1544320
         Carl H. Lindner
         Carl H. Lindner III
         S. Craig Lindner
         Keith E. Lindner

2    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*    (a) [ ]
                                                          (b) [ ]
3    SEC USE ONLY

4        CITIZENSHIP OR PLACE OF ORGANIZATION
         Ohio Corporation
         United States Citizens

5    NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON
     WITH:

6    SOLE VOTING POWER
         - - -

     SHARED VOTING POWER
         - - -
7     SOLE DISPOSITIVE POWER
         - - -

8    SHARED DISPOSITIVE POWER
         6,000,000

9    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING
      PERSON
         6,000,000

10    CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
      EXCLUDES CERTAIN SHARES*                                [ ]

11    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
          9.1%

12    TYPE OF REPORTING PERSON*
          CO
          IN










CUSIP NO. 677240103                   13G             Page 3 of 6 Pages


Item 1(a).            Name of Issuer.

         Ohio Casualty Corporation

Item 1(b).            Address of Issuer's Principal Executive Office.

         136 North Third Street, Hamilton, Ohio  45025.

Item 2(a).            Name of Person Filing.

         American Financial Group, Inc.
         Carl H. Lindner
         Carl H. Lindner III
         S. Craig Lindner
         Keith E. Lindner

Item 2(b).            Address of Principal Business Office or, if None,
                      Residence.

         One East Fourth Street, Cincinnati, Ohio 45202

Item 2(c).            Citizenship.

         Ohio Corporation
         United States Citizens

Item 2(d).            Title of Class of Securities.

         Common Stock, $.125 par value

Item 2(e).            Cusip Number.

         677240103

Item 3. This statement is filed pursuant to Rule 13d-1(b).

Item 4.  Ownership.
(a)      Amount Beneficially Owned:                                  6,000,000
(b)      Percentage of Class:                                        9.1%
(c)      Number of shares as to which such person has:
         (i)      Sole power to vote or direct the vote:             none
         (ii)  Shared power to vote or direct the vote:              none
         (iii) Sole power to dispose or direct the
                          disposition of:                            none
         (iv)  Shared power to dispose or direct the
                          disposition of:                            6,000,000






CUSIP NO. 677240103           13G             Page 4 of 6 Pages


         The  beneficial   ownership  above  represents   American   Financial's
ownership  of an Ohio  Casualty  Corporation  Warrant  expiring  on  11/30/03 to
purchase 6,000,000 shares of Ohio Casualty Corporation Common Stock.

Item 10. Certification.

         By  signing  below I  certify  that,  to the best of my  knowledge  and
belief, the securities referred to above were acquired in the ordinary course of
business  and were not acquired for the purpose of and do not have the effect of
changing or  influencing  the control of the issuer of such  securities and were
not acquired in connection  with or as a participant in any  transaction  having
such purpose or effect.

         After  reasonable  inquiry and to the best  knowledge and belief of the
undersigned,  it is  hereby  certified  that the  information  set forth in this
statement is true, complete and correct.

Dated:  February 5, 2001   AMERICAN FINANCIAL GROUP, INC.

                        By:  James C. Kennedy
                        -------------------------------------------
                        James C. Kennedy, Vice President
                           Deputy General Counsel and
                           Secretary

                         AMERICAN FINANCIAL CORPORATION

                         By:  James C. Kennedy
                         -------------------------------------------
                         James C. Kennedy, Vice President,
                           Deputy General Counsel and
                            Secretary

                         Carl H. Lindner*
                         --------------------------------------
                         Carl H. Lindner

                         Carl H. Lindner III*
                         --------------------------------------
                         Carl H. Lindner III

                         S. Craig Lindner*
                         --------------------------------------
                         S. Craig Lindner

                         Keith E. Lindner*
                         --------------------------------------
                         Keith E. Lindner
James C. Kennedy
- ------------------------------------
*By James C. Kennedy, Attorney-in-Fact








CUSIP NO. 677240103           13G             Page 5 of 6 Pages

                               POWERS OF ATTORNEY

         I, Carl H.  Lindner,  do hereby  appoint  James C.  Kennedy and Karl J.
Grafe, or either of them, as my true and lawful  attorneys-in-fact to sign on my
behalf  individually  and as  Chairman  of the  Board  of  Directors  and  Chief
Executive  Officer  of  American  Financial  Group,  Inc.  or as a  director  or
executive officer of any of its subsidiaries and to file with the Securities and
Exchange Commission any schedules or other filings or amendments thereto made by
me or on behalf of American  Financial  Group,  Inc. or any of its  subsidiaries
pursuant to Sections 13(d),  13(f),  13(g), 14(d) or 16(a) of the Securities and
Exchange Act of 1934, as amended.

         IN WITNESS WHEREOF, I have hereunto set my hand at Cincinnati,  Ohio as
of the 5th day of November, 1997.

                                                     /s/ Carl H. Lindner
                                                     -----------------------
                                                     Carl H. Lindner

         I, Carl H. Lindner III, do hereby  appoint James C. Kennedy and Karl J.
Grafe, or either of them, as my true and lawful  attorneys-in-fact to sign on my
behalf  individually  and as  Chairman  of the  Board  of  Directors  and  Chief
Executive  Officer  of  American  Financial  Group,  Inc.  or as a  director  or
executive officer of any of its subsidiaries and to file with the Securities and
Exchange Commission any schedules or other filings or amendments thereto made by
me or on behalf of American  Financial  Group,  Inc. or any of its  subsidiaries
pursuant to Sections 13(d),  13(f),  13(g), 14(d) or 16(a) of the Securities and
Exchange Act of 1934, as amended.

         IN WITNESS WHEREOF, I have hereunto set my hand at Cincinnati,  Ohio as
of the 5th day of November, 1997.

                                                     /s/ Carl H. Lindner III
                                                     -----------------------
                                                     Carl H. Lindner III


         I, S. Craig  Lindner,  do hereby  appoint  James C. Kennedy and Karl J.
Grafe, or either of them, as my true and lawful  attorneys-in-fact to sign on my
behalf  individually  and as  Chairman  of the  Board  of  Directors  and  Chief
Executive  Officer  of  American  Financial  Group,  Inc.  or as a  director  or
executive officer of any of its subsidiaries and to file with the Securities and
Exchange Commission any schedules or other filings or amendments thereto made by
me or on behalf of American  Financial  Group,  Inc. or any of its  subsidiaries
pursuant to Sections 13(d),  13(f),  13(g), 14(d) or 16(a) of the Securities and
Exchange Act of 1934, as amended.

         IN WITNESS WHEREOF, I have hereunto set my hand at Cincinnati,  Ohio as
of the 5th day of November, 1997.

                                                     /s/ S. Craig Lindner
                                                     -----------------------
                                                     S. Craig Lindner







CUSIP NO. 677240103           13G             Page 6 of 6 Pages



         I, Keith E.  Lindner,  do hereby  appoint  James C. Kennedy and Karl J.
Grafe, or either of them, as my true and lawful  attorneys-in-fact to sign on my
behalf  individually  and as  Chairman  of the  Board  of  Directors  and  Chief
Executive  Officer  of  American  Financial  Group,  Inc.  or as a  director  or
executive officer of any of its subsidiaries and to file with the Securities and
Exchange Commission any schedules or other filings or amendments thereto made by
me or on behalf of American  Financial  Group,  Inc. or any of its  subsidiaries
pursuant to Sections 13(d),  13(f),  13(g), 14(d) or 16(a) of the Securities and
Exchange Act of 1934, as amended.

         IN WITNESS WHEREOF, I have hereunto set my hand at Cincinnati,  Ohio as
of the 5th day of November, 1997.


                                                     /s/ Keith E. Lindner
                                                     -----------------------
                                                      Keith E. Lindner