Limited Power of Attorney for Section 16 Reporting Obligations

STATE OF TEXAS

COUNTY OF GALVESTON

      Know all by these presents, that the undersigned hereby makes, constitutes
and appoints Timothy A. Walsh and J. Mark Flippin as the undersigned's true and
lawful attorneys-in-fact, with full power and authority as hereinafter described
on behalf of and in the name, place, and stead of the undersigned to:

  (1)   Prepare, execute, acknowledge, deliver, and file Forms 3, 4 and 5
        (including any amendments thereto) with respect to the securities of
        American National Insurance Company (the "Company"), with the United
        States Securities and Exchange Commission, any national securities
        exchanges, and the Company, as considered necessary or advisable under
        Section 16(a) of the Securities Exchange Act of 1934 and the rules and
        regulations promulgated thereunder, as amended from time to time (the
        "Exchange Act");

  (2)	Seek or obtain, as the undersigned's representative and on the
        undersigned's behalf, information on transactions in the Company's
        securities from any third party (including without limitation brokers,
        employee benefit plan administrators and trustees), and the undersigned
        hereby authorizes any such person to release any such information to
        such attorneys-in-fact and approves and ratifies any such release of
        information; and

  (3)	Perform any and all other acts which in the discretion of such
        attorneys-in-fact are necessary or desirable for and on behalf of the
        undersigned in connection with the foregoing.

The undersigned acknowledges that:

  (1) This Limited Power of Attorney authorizes, but does not require, such
      attorneys- in-fact to act in their discretion on information provided to
      such attorneys-in-fact without independent verification of such
      information;

  (2) Any documents prepared and/or executed by such attorneys-in-fact on
      behalf of the undersigned pursuant to this Limited Power of Attorney will
      be in such form and will contain such information and disclosure as such
      attorneys-in-fact, in their discretion, deem necessary or desirable;

  (3) Neither the Company nor such attorneys-in-fact assume (i) any liability
      for the undersigned's responsibility to comply with the requirements of
      the Exchange Act, (ii) any liability of the undersigned for any failure to
      comply with such requirements, or (iii) any obligation or liability of the
      undersigned for profit disgorgement under Section 16(b) of the Exchange
      Act; and

  (4) This Limited Power of Attorney does not relieve the undersigned from
      responsibility for compliance with the undersigned's obligations under the
      Exchange Act, including without limitation the reporting requirements
      under Section 16 of the Exchange Act.

      The undersigned hereby gives and grants the foregoing attorneys-in-fact
full power and authority to do and perform all and every act and thing
whatsoever requisite, necessary, or appropriate to be done in and about the
foregoing matters as fully to all intents and purposes as the undersigned might
or could do if present, hereby ratifying all that such attorneys-in-fact of, for
and on behalf of the undersigned, shall lawfully do or cause to be done by
virtue of this Limited Power of Attorney.

      This Limited Power of Attorney shall remain in full force and effect until
revoked by the undersigned in a signed writing delivered to such attorneys-in-
fact.

      IN WITNESS WHEREOF, the undersigned has caused this Limited Power of
Attorney to be executed this 22nd day of February, 2018.

/s/ Deborah K. Janson
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Deborah K. Janson