| Confusion from similarity of name |
| Signatures of minors or mentally
incompetent persons |
| Undisclosed or missing heir |
| Invalid divorces |
| Unpaid taxes |
|
| Wills not probated |
| Forged documents |
| Mistakes in recording legal documents |
| Fraud |
| Misrepresentation of marital status |
| Clerical errors in public records |
|