Applying for benefits based on a previous marriage

The following document is a bit dated (2001), but here's what it lists :

Survivor Benefits Required Documentation

• Deceased worker’s social security number;
• Proof of marriage (marriage certificate);
• Death certificate;
• Surviving spouse’s primary proof of age;
• Divorce papers if applicable; and
• Specific information about the bank account where the Social Security Survivor Benefits will be direct deposited to.

http://www.ssa.gov/pressoffice/ict-fact.htm

Call SSA at 1-800-772-1213 for details.