FERS Designation of Beneficiary SF 3102 and order of precedence.
https://www.opm.gov/healthcare-insurance/life-insurance/designating-a-beneficiary/fers-lump-sum-payment-order-of-precedence-upon-the-death-of-a-current-employee/
WEBThat order of precedence follows: To your widow or widower. If your widow (er) is deceased, to your child or children, with the share of any deceased child distributed among the descendants of that child. If none of the above, to your parents in equal shares or the entire amount to the surviving parent. If none of the above, to the executor or ...
DA: 72 PA: 25 MOZ Rank: 75