Originally published: 26 February 2018 | Last updated: 11 September 2025
TL;DR: A mirror Will consists of two Wills which look almost identical because two individuals. Usually married couples. Create them to transfer their assets to each other while keeping their alternative beneficiary choices identical. Mirror Wills exist as separate legal documents which allow each party to change their version of the document without needing approval from the other. These arrangements function best for couples who have basic property situations and agree on how to share their assets.

What Is a Mirror Will?
A mirror Will is one of two nearly identical Wills created by a couple. Typically spouses. Where each person leaves their estate to the other, with the same contingent beneficiaries. Mirror Wills exist as independent legal documents which allow both parties to change their versions of the document whenever they wish.
When Should You Use Mirror Wills?
- Two separate legal documents called Mirror Wills contain identical information which appears in both documents. Spouse A typically leaves their entire estate to Spouse B and Spouse B does the same for Spouse A. The two spouses select identical backup recipients who become their children. Each Will operates as an independent legal document which functions separately from the others.
- You and your spouse agree on asset distribution
- You have the same children and the same wishes for them
- Your estate structure is relatively straightforward

When Are Mirror Wills Not Appropriate?
- Mirror Wills become ineffective for families which include children from different previous relationships. Couples who want different beneficiaries or different distributions
- One spouse could rewrite the last Will which becomes effective after the other spouse passes away. The situation requires special estate planning because it involves complicated assets which need trust management or particular estate arrangements.
- Feature
- Mirror Will

Mirror Will vs. Joint Will: What’s the Difference?
| Feature | Mirror Will | Joint Will |
|---|---|---|
| Number of documents | Two separate Wills | One shared document |
| Can be changed independently | Yes | No (binding after first death) |
| Best for | Simple estates, mutual agreement | When binding commitment is needed |

How to Create Mirror Wills in South Africa
Joint Will



Frequently Asked Questions
Can I change my mirror Will without telling my spouse?
Number of documents
Are mirror Wills legally binding on the surviving spouse?
Two separate Wills