FORM 3
        
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
                      

1. Name and Address of Reporting Person *

GREENHILL CAPITAL PARTNERS, LLC

2. Date of Event Requiring Statement (MM/DD/YYYY)
6/26/2008 

3. Issuer Name and Ticker or Trading Symbol

Crusader Energy Group Inc. [KRU]

(Last)        (First)        (Middle)

300 PARK AVENUE, 23RD FLOOR

4. Relationship of Reporting Person(s) to Issuer (Check all applicable)

_____ Director                            ___ X ___ 10% Owner
_____ Officer (give title below)          ___ X ___ Other (specify below)
/ Signatory to a voting agreemnt

(Street)

NEW YORK, NY 10022       

(City)              (State)              (Zip)
5. If Amendment, Date Original Filed (MM/DD/YYYY)

 

6. Individual or Joint/Group Filing (Check Applicable Line)

___ Form filed by One Reporting Person
_ X _ Form filed by More than One Reporting Person


Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4) 		2. Amount of Securities Beneficially Owned
(Instr. 4) 		3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5) 		4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Stock   100100000   I   (1) (2) (3) (4) (5) See footnotes   (1) (2) (3) (4) (5)

Table II - Derivative Securities Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 4) 		2. Date Exercisable and Expiration Date
(MM/DD/YYYY) 		3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4) 		4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5) 		6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares

Explanation of Responses:
( 1)  This Form 4 is being filed by more than one reporting person.
( 2)  Greenhill Capital Partners, LLC, whose sole member is Greenhill & Co., Inc., is the general partner of GCP Managing Partner II, L.P. GCP Managing Partner II, L.P. is the general partner of Greenhill Capital Partners II, L.P., Greenhill Capital Partners (Cayman) II, L.P., Greenhill Capital Partners (Executives) II, L.P. and Greenhill Capital Partners (Employees) II, L.P. (collectively, the "Funds"). The Funds own an equity interest in Knight Energy Group I Holding Co., LLC ("Knight Holding"), the parent of Knight Energy Group, LLC ("Knight").
( 3)  Pursuant to a business combination described in the proxy statement dated May 23, 2008 and filed by Westside Energy Corporation with the Securities and Exchange Commission on May 28, 2008 (the "Proxy Statement"), on June 26, 2008, Knight, along with six other privately held companies, was acquired by Westside Energy Corporation in exchange for common stock of Westside Energy Corporation, which was renamed Crusader Energy Group Inc. (the "Company"). Knight Holding is the direct holder of the 100,100,000 shares of common stock of the Company reported on this Form 3 (the "Reported Shares"). The reporting persons are filing this Form 3 as members of Knight Holding who share voting and investment control over the Reported Shares. The Funds are also party to a voting agreement with respect to shares of common stock of the Company that was entered into in connection with the business combination described in the Proxy Statement.
( 4)  Robert H. Niehaus, a Managing Director of Greenhill Capital Partners, LLC, is a member of the Board of Directors of the Company.
( 5)  Each reporting person disclaims beneficial ownership of the reported securities except and to the extent of its or his pecuniary interest therein.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
GREENHILL CAPITAL PARTNERS, LLC
300 PARK AVENUE, 23RD FLOOR
NEW YORK, NY 10022
X
Signatory to a voting agreemnt
GCP Managing Partner II, L.P.
300 PARK AVENUE
NEW YORK, NY 10022
X
Signatory to a voting agreemnt
GREENHILL & CO INC
300 PARK AVENUE
NEW YORK, NY 10022
X
Signatory to a voting agreemnt

Signatures
/s/ Jodi Ganz, By: Greenhill Capital Partners, LLC, By: Jodi Ganz, Secretary 6/26/2008
** Signature of Reporting Person Date

/s/ Jodi Ganz, By: GCP Managing Partner II, L.P., for itself and as general partner of the Funds, By: Greenhill Capital Partners, LLC, its general partner, By: Jodi Ganz 6/26/2008
** Signature of Reporting Person Date

/s/ Jodi Ganz, By: Greenhill & Co., By: Jodi Ganz, Acting General Counsel and Secretary 6/26/2008
** Signature of Reporting Person Date


Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.
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