ocr: PERSON Marrlago SSN Mardage: Id marrled to/spouse of First Name (AK1) Female SSN FK)(AK1) Last Name (AK1) Male: SSN(FK)(AK2) Birth Date. (AK1) marrlod to/spouse of Startl Datel (AK1,AK2) Gender End Date Religion Figure 2 : Making both relationships mandatory.