Any amount of insurance under this subchapter in force on any member or former member on the date of the insured’s death shall be paid, upon the establishment of a valid claim therefor, to the person or persons surviving at the date of the insured’s death, in the following order of precedence:
First, to the beneficiary or beneficiaries as the member or former member may have designated by a writing received prior to death (1) in the uniformed services if insured under Servicemembers’ Group Life Insurance, or (2) in the administrative office established under section 1966(b) of this title if separated or released from service, or if assigned to the Retired Reserve, and insured under Servicemembers’ Group Life Insurance, or if insured under Veterans’ Group Life Insurance;
Second, if there be no such beneficiary, to the widow or widower of such member or former member;
Third, if none of the above, to the child or children of such member or former member and descendants of deceased children by representation;
Fourth, if none of the above, to the parents of such member or former member or the survivor of them;
Fifth, if none of the above, to the duly appointed executor or administrator of the estate of such member or former member;
Sixth, if none of the above, to other next of kin of such member or former member entitled under the laws of domicile of such member or former member at the time of the insured’s death.