suant to Section 1408 concerning Service Pensions as of the date of his death but the percentage of his Normal Pension Base shall not exceed 55% for the purposes of this subsection. (7) Additional Pension Amounts for Minor or Dependent Children. (A) Children of Marriage to Qualified Survivor Spouse. Whenever any System Member or Retired Member shall die and leave surviving him, in addition to a qualified surviving spouse, a minor child or children or a dependent child or children of his marriage to the qualified surviving spouse then such qualified surviving spouse shall be paid an additional monthly pension in an amount which shall be equal to 25% of the amount of her pension as a qualified surviving spouse granted pursuant to any of the foregoing paragraphs of this subsection while there is one minor or dependent child, 40% while there are two minor or dependent children or a combination, and 50% while there are three or more minor or dependent children or a combination, and such additional monthly pension shall be the exclusive property of such qualified surviving spouse and not the property of any such minor child or dependent child. (B) Surviving Spouse and Children of Former Marriage. Whenever any System Member or Retired Member shall die and leave surviving him, in addition to a qualified surviving spouse, a minor child or children or a dependent child or children of his marriage to a former spouse, then the guardian or guardians of the estate or estates of any such minor child or children or dependent child or children shall be paid a monthly pension in an amount which shall be equal to 25% of the amount of the pension of the qualified surviving spouse granted pursuant to this section while there is one minor or dependent child, 40% while there are two minor or dependent children or a combination, and 50% while there are three or more minor or dependent children or a combination, and such monthly pension shall be the exclusive property of such minor child or children or dependent child or children and not the property of the qualified surviving spouse. (C) Surviving Spouse and Children of Present and Former Marriages.