| First name: Robert | First name: Amy | 
| Middle name: F. | Middle name: L. | 
| Last name: Siefker Jr | Last name: Duff | 
| Age: 37 | Age: 18 | 
| Address: 2724 Torchlight Lane | Address: 2724 Torchlight Lane | 
| Within city limits: Yes | Within city limits: Yes | 
| City: Lincoln | City: Lincoln | 
| State: NE | State: NE | 
| ZIP Code: 68521 | ZIP Code: 68521 | 
| County: Lancaster | County: Lancaster | 
| Occupation: Welder | Occupation: Packer | 
| Birthplace: Lincoln, NE | Birthplace: Lincoln, NE | 
| Birth date: 21 March 1964 | Birth date: 01 July 1982 | 
| Father: Robert F. Siefker, Sr. | Father: Ricky Duff | 
| Fathers birth place: Lanesville, IL | Fathers birth place: Grand Island, NE | 
| Mother: Marie Luthultz | Mother: Vicki Sand | 
| Mothers birth place: Lincoln, NE | Mothers birth place: Fairbury, NE | 
| Number of marriage: Second | Number of marriage: First | 
| Completed high school: 12 | Completed high school: 11 | 
| College: 0 | College: 0 | 
| Marriage ended why: Dissolution | Marriage ended why: | 
| Marriage end date: 28 052001 | Marriage end date: | 
| Race: White | Race: White | 
| Fee: 15 | 
| Staff: SS | 
| Marriage date: 04 July 2001 | 
| License ID: 948 |