You can choose self plus one even if you have more than one family member who would be eligible, but remember that doing so means that the other family member or members would need to get their health coverage elsewhere. You can change the designation of which family member is covered durin...
a family member who receives monthly compensation under FECA as the surviving beneficiary of an employee who has sustained work-related injuries or illnesses an employee's or retiree's spouse an employee's or retiree's unmarried child under the age of 19, including an adopted child, a stepchild...