UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                            Washington, D.C.  20549

                                    Form 13F

                              Form 13F COVER PAGE

Report for the Calendar Year or Quarter Ended: March 31, 2013

Check here if Amendment [  ]; Amendment Number:
This Amendment (Check only one.): [  ] is a restatement.
                                  [  ] adds new holdings entries.

Institutional Investment Manager Filing this Report:

Name:    G.F.W. Energy VIII, L.P.
Address: 5221 North O'Connor Boulevard
         Suite 1100
         Irving, Texas  75039

13F File Number:  028-14574

The institutional investment manager filing this report and the person by whom
it is signed hereby represent that the person signing the report is authorized
to submit it, that all information contained herein is true, correct and
complete, and that it is understood that all required items, statements,
schedules, lists, and tables, are considered integral parts of this form.

Person Signing this Report on Behalf of Reporting Manager:

Name:      Kenneth A. Hersh
Title:     Authorized Member of GFW VIII, L.L.C.
Phone:     972.432.1440

Signature, Place, and Date of Signing:

 /s/ Kenneth A. Hersh     Irving, Texas/USA     May 15, 2013

Report Type (Check only one.):

[ X]         13F HOLDINGS REPORT.

[  ]         13F NOTICE.

[  ]         13F COMBINATION REPORT.



                              FORM 13F SUMMARY PAGE

Report Summary:

Number of Other Included Managers:         1

Form 13F Information Table Entry Total:    2

Form 13F Information Table Value Total:    $517,546 (thousands)

List of Other Included Managers:

Provide a numbered list of the name(s) and Form 13F file number(s) of all
institutional managers with respect to which this report is filed, other
than the manager filing this report.

No.  13F File Number               Name

1    028-14849                     G.F.W. Energy IX, L.P.



             
                                                     FORM 13F INFORMATION TABLE
                                                             VALUE  SHARES/ SH/ PUT/ INVSTMT  OTHER            VOTING AUTHORITY
NAME OF ISSUER                 TITLE OF CLASS   CUSIP     (x$1000)  PRN AMT PRN CALL DSCRETN MANAGERS         SOLE   SHARED     NONE
------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- --------
EAGLE ROCK ENERGY PARTNERS L   UNIT             26985R104   377662 38458487 SH       SOLE                 38458487
MEMORIAL PRODTN PARTNERS LP    COM U REP LTD    586048100   139884  7061294 SH       DEFINED 1                        7061294