The tier I annuity component of a widow(er), remarried widow(er), or a surviving divorced spouse with a child of the employee in his or her care is 75 percent of the PIA computed under § 228.10 of this part. The amount may be adjusted for certain reductions and deductions described in §§ 228.15-228 .20 of this part and is subject to the family maximum. See § 228.14 of this part.
20 C.F.R. §228.11