<PAGE>
----------------------------
OMB Number: 3235-0145
----------------------------
Expires: August 31, 1999
Estimated average burden
hours per response 14.90
----------------------------
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
Under the Securities Exchange Act of 1934
(Amendment No. 2 )*
-------------------
INTERNATIONAL NETWORK SERVICES
- --------------------------------------------------------------------------------
(Name of Issuer)
Common Stock
- --------------------------------------------------------------------------------
(Title of Class of Securities)
460053 10 1
- --------------------------------------------------------------------------------
(CUSIP Number)
12/31/98
- --------------------------------------------------------------------------------
(Date of Event Which Requires Filing of this Statement)
Check the appropriate box to designate the rule pursuant to which this Schedule
is filed:
[_] Rule 13d-1(b)
[_] Rule 13d-1(c)
[X] Rule 13d-1(d)
*The remainder of this cover page shall be filled out for a reporting person's
initial filing on this form with respect to the subject class of securities, and
for any subsequent amendment containing information which would alter the
disclosures provided in a prior cover page.
The information required in the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the Securities Exchange Act of
1934 ("Act") or otherwise subject to the liabilities of that section of the Act
but shall be subject to all other provisions of the Act (however, see the
Notes).
Potential persons who are to 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.
Page 1 of 7 pages
<PAGE>
CUSIP No. 460053 10 1
- --------------------------------------------------------------------------------
1. Names of Reporting Persons.
I.R.S. Identification Nos. of above persons (entities only).
Donald K. McKinney, Trustee of the McKinney Family Trust
- --------------------------------------------------------------------------------
2. Check the Appropriate Box if a Member of a Group (See Instructions)
(a).........................................................................
(b).........................................................................
- --------------------------------------------------------------------------------
3. SEC Use Only................................................................
- --------------------------------------------------------------------------------
4. Citizenship or Place of Organization: United States of America
- --------------------------------------------------------------------------------
Number of 5. Sole Voting Power: 10,581,813
Shares Bene- -------------------------------------------------
ficially 6. Shared Voting Power: 0
Owned by Each -------------------------------------------------
Reporting 7. Sole Dispositive Power: 10,581,813
Person With: -------------------------------------------------
8. Shared Dispositive Power: 0
- --------------------------------------------------------------------------------
9. Aggregate Amount Beneficially Owned by Each Reporting Person: 10,581,813
- --------------------------------------------------------------------------------
10. Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See
Instructions)..............................................................
- --------------------------------------------------------------------------------
11. Percent of Class Represented by Amount in Row (9): 28.4%
- --------------------------------------------------------------------------------
12. Type of Reporting Person (See Instructions): IN
- --------------------------------------------------------------------------------
Page 2 of 7 pages
<PAGE>
CUSIP No. 460053 10 1
- --------------------------------------------------------------------------------
1. Names of Reporting Persons.
I.R.S. Identification Nos. of above persons (entities only).
Rebecca McDaniel McKinney, Trustee of the McKinney Family Trust
- --------------------------------------------------------------------------------
2. Check the Appropriate Box if a Member of a Group (See Instructions)
(a)........................................................................
(b)........................................................................
- --------------------------------------------------------------------------------
3. SEC Use Only
- --------------------------------------------------------------------------------
4. Citizenship or Place of Organization: United States of America
- --------------------------------------------------------------------------------
Number of 5. Sole Voting Power: 10,580,280
Shares Bene- -----------------------------------------------
ficially 6. Shared Voting Power: 0
Owned by Each -----------------------------------------------
Reporting 7. Sole Dispositive Power: 10,580,280
Person With: -----------------------------------------------
8. Shared Dispositive Power: 0
- --------------------------------------------------------------------------------
9. Aggregate Amount Beneficially Owned by Each Reporting Person: 10,580,280
- --------------------------------------------------------------------------------
10. Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See
Instructions).............................................................
- --------------------------------------------------------------------------------
11. Percent of Class Represented by Amount in Row (9): 28.4%
- --------------------------------------------------------------------------------
12. Type of Reporting Person (See Instructions): IN
- --------------------------------------------------------------------------------
Page 3 of 7 pages
<PAGE>
Item 1.
(a) Name of Issuer: International Network Services
(b) Address of Issuer's Principal Executive Offices: 1213 Innsbruck Drive,
Sunnyvale, California, 94089
Item 2.
(a) Name of Person Filing: Donald K. McKinney and Rebecca McDaniel
McKinney, Trustees of the McKinney Family
Trust
(b) Address of Principal Business Office or, if none, Residence: 1213
Innsbruck Drive, Sunnyvale, California, 94089
(c) Citizenship: United States of America
(d) Title of Class of Securities: Common Stock
(e) CUSIP Number: 460053 10 1
Item 3. If this statement is filed pursuant to (S)(S)240.13d-1(b) or 240.13d-
2(b) or (c), check whether the person filing is a:
Not applicable
Item 4. Ownership
Provide the following information regarding the aggregate number and
percentage of the class of securities of the issuer identified in Item 1.
(a) Amount beneficially owned
Donald K. McKinney (1) 10,581,813 (2)
Rebecca McDaniel McKinney (1) 10,580,280 (3)
(b) Percent of class: 28.4
(c) Number of shares as to which the person has:
(i) Sole power to vote or to direct the vote:
Donald K. McKinney (1) 10,581,813
Rebecca McDaniel McKinney (1) 10,580,280
(ii) Shared power to vote or to direct the vote: None
(iii) Sole power to dispose or to direct the disposition of:
Donald K. McKinney (1) 10,581,813
Rebecca McDaniel McKinney (1) 10,580,280
(iv) Shared power to dispose or to direct the disposition of: None
(1) Donald K. McKinney and Rebecca McDaniel McKinney are trustees of the
McKinney Family Trust which owns 10,580,280 shares of Common Stock of
International Network Services. Each trustee, acting alone, has the power
to vote or dispose of the shares.
(2) Includes 1,533 shares of Common Stock held of record by Donald K. McKinney.
(3) Excludes 1,533 shares of Common Stock held of record by Donald K. McKinney.
Instruction. For computations regarding securities which represent a
right to acquire an underlying security see (S)240.13d-3(d)(1).
Item 5. Ownership of Five Percent or Less of a Class
Not applicable.
Page 4 of 7 pages
<PAGE>
Item 6. Ownership of More than Five Percent on Behalf of Another Person
Not applicable.
Item 7. Identification and Classification of the Subsidiary Which Acquired the
Security Being Reported on By the Parent Holding Company
Not applicable.
Item 8. Identification and Classification of Members of the Group
Not applicable.
Item 9. Notice of Dissolution of Group
Not applicable.
Item 10. Certification
Not applicable.
Page 5 of 7 pages
<PAGE>
SIGNATURE
After reasonable inquiry and to the best of my knowledge and belief, I certify
that the information set in this statement is true, complete and correct.
February 11, 1999
---------------------------------------------------------
Date
/s/ Donald K. McKinney
----------------------------------------------------------
Signature
Donald K. McKinney, Trustee of the McKinney Family Trust
----------------------------------------------------------
Name/Title
February 11, 1999
----------------------------------------------------------
Date
/s/ Rebecca McDaniel McKinney
----------------------------------------------------------
Signature
Rebecca McDaniel McKinney, Trustee of the McKinney Family
Trust
----------------------------------------------------------
Name/Title
The original statement shall be signed by each person on whose behalf the
statement is filed or his authorized representative. If the statement is signed
on behalf of a person by his authorized representative other than an executive
officer or general partner of the filing person, evidence of the
representative's authority to sign on behalf of such person shall be filed with
the statement, provided, however, that a power of attorney for this purpose
which is already on file with the Commission may be incorporated by reference.
The name and any title of each person who signs the statement shall be typed or
printed beneath his signature.
NOTE: Schedules filed in paper format shall include a signed original and five
copies of the schedule, including all exhibits. See (S)240.13d-7 for other
parties for whom copies are to be sent.
Attention: Intentional misstatements or omissions of fact constitute Federal
criminal violations (See 18 U.S.C. 1001)
Page 6 of 7 pages
<PAGE>
CUSIP No. 460053 10 1
-----------------------
EXHIBIT A
---------
AGREEMENT FOR JOINT FILING OF SCHEDULE 13G
THE UNDERSIGNED PERSONS HEREBY agree to file with the Securities and Exchange
Commission a joint Schedule 13G on behalf of each of the undersigned with
respect to their ownership of shares of Common Stock of International Network
Services.
/s/ Donald. K. McKinney
----------------------------------
Donald. K. McKinney
Trustee of the McKinney Family
Trust
/s/ Rebecca McDaniel McKinney
----------------------------------
Rebecca McDaniel McKinney
Trustee of the McKinney Family
Trust
Page 7 of 7 pages