A majority of the persons eligible to receive the income from any trust created hereunder or, if any such persons are then minors or otherwise under legal disability, their parents or guardians, may remove any corporate Trustee from office by instrument in writing delivered to the corporate Trustee being so removed, provided that such instrument designates a successor corporate Trustee that is ready, willing and able to serve in such capacity, is a bank or trust company with trust powers then administering trust assets of at least One Billion Dollars ($1,000,000,000) and is not then a related or subordinate party, within the meaning of Section 672(c) of the Code, to any person holding such a removal power or any parent or guardian of any such person.