A fountain pen resting on a page of old handwriting

Blended families and the wills that survive them

Second marriages, children from a first, and the mutual-will promises that courts routinely undo.

Filed under

Estate planning

Published

Reading time

6 min

Written by

Vivian Chen

Portrait of the solicitor who wrote this note

Written by

Vivian Chen

Principal solicitor

Every note is written by the solicitor who would do the work, not by a marketing team.

In short

Mirror wills rely on a promise the survivor can simply break

A life interest protects a spouse without disinheriting first-marriage children

A testamentary trust adds protection where a beneficiary is at risk

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Two families, one estate to divide

A second marriage with children from a first is the most common arrangement we see, and the one most likely to end in a dispute if the wills are copied from each other.

Why mirror wills fail

Two wills leaving everything to each other, then to “our children”, rely on the survivor keeping their promise. The survivor can make a new will the following week. Courts undo mutual-will agreements more often than people expect.

Why the promise does not hold

A mutual-will agreement can be enforced, but only by litigation after the person who broke it has died, funded by the people who were meant to inherit. That is an expensive way to keep a promise, and it usually splits the family the arrangement was designed to protect.

Structures that do hold

Instead of a promise, the will carries the arrangement itself. These four do the work.

  • A life interest in the home, with the capital preserved for the children

  • A testamentary trust for a beneficiary who should not receive a lump sum

  • Binding superannuation nominations, checked against the fund’s rules

  • A written record of why the arrangement was made, kept with the will

Talking to the children

Most disputes we see are surprises, not injustices. A short conversation while everyone is alive, or a letter kept with the will, removes most of the heat. We can draft that letter and keep it with the original.

What it costs to leave it alone

A contested estate rarely costs less than forty thousand dollars, and it is paid out of the money the argument is about. The drafting that prevents it is a fixed fee and one extra conversation.

The survivor can make a new will the following week. Courts undo mutual-will promises more often than people expect.

The survivor can make a new will the following week. Courts undo mutual-will promises more often than people expect.

The survivor can make a new will the following week. Courts undo mutual-will promises more often than people expect.

What to do next

  • List which assets came from which side of the family

  • Decide what the surviving spouse actually needs to live on

  • Check every superannuation and insurance nomination

  • Book an hour with both of you in the room

This note is general information, not advice about your matter. Your circumstances change the answer, which is what the first fifteen minutes are for.

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