[Code of Federal Regulations] [Title 20, Volume 1] [Revised as of April 1, 2007] From the U.S. Government Printing Office via GPO Access [CITE: 20CFR222.1] [Page 432] TITLE 20--EMPLOYEES' BENEFITS CHAPTER II--RAILROAD RETIREMENT BOARD PART 222_FAMILY RELATIONSHIPS--Table of Contents Subpart A_General Sec. 222.1 Introduction. This part sets forth and describes the family relationships that may make a claimant eligible for an annuity or lump-sum payment under the Railroad Retirement Act and furnishes the basic rules for determining when those relationships exist. Such relationships may result from a current or terminated marriage or through birth, death or adoption. Other relevant relationships are having a child in care, dependency or lack of it, contributing to support, living in the same household, and being under court order to contribute to support.