From DivorceNet.com
Are you receiving Social Security Benefits and getting a divorce? You may be able to claim benefits based on your former spouse’s work record.
If you were married to someone for ten years or more and then divorced, you may be able to claim retirement or survivors benefits based on your former spouse’s employment record. Your claim to benefits has no effect on what your former spouse (or his or her current spouse, if he or she has remarried) receives. MORE
