Book 08The Right Tool Series · of 31

Yours, Mine, and Theirs

The blended family guide to intentional inheritance.
★ Family~44 min readBy request

Love blends families. Money rarely does, on its own. When his, hers, and theirs all meet in one estate, good intentions are not a plan. This book turns blended love into a structure that holds.

+  What's Inside
3D mockup of Yours Mine And Theirs by Dr. Sanjay Tolani3D
What's Inside
The Right Tool Series · 31 booksRead by families in 53 countriesBy request onlyDr. Sanjay Tolani · Tolani Family Office The Right Tool Series · 31 booksRead by families in 53 countriesBy request onlyDr. Sanjay Tolani · Tolani Family Office

Blended families need engineered fairness

A second marriage, stepchildren, children from more than one relationship, these are now ordinary, and ordinary estate documents handle them badly. A simple will that leaves everything to a spouse can quietly disinherit children from a first marriage. Default rules can pit a surviving partner against the deceased's kids. Fairness that feels obvious in life can collapse in probate.

Yours, Mine, and Theirs maps the specific risks blended families face and the structures that resolve them. It covers how to provide for a spouse without disinheriting children, how to treat all children equitably without treating them identically, and how trusts and beneficiary design can deliver the outcome the family actually intends, rather than the one the default rules impose.

What's at stake

Four ways blended estates go wrong

Accidental disinheritance

Leaving all to a spouse can erase children from a first marriage on the second death.

Spouse vs. children

Default rules can force a surviving partner and stepchildren into open conflict.

Unequal feelings

Treating children identically can feel unfair; treating them differently can feel like favoritism.

Stale documents

Old wills written for a previous family structure quietly produce the wrong result.

More in The Right Tool Series

See all 31 ›
01The Right Tool for the Right Job
Business & Wealth
Asset classes and the decisions that outlast you.
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02Work Optional
Life Planning
Annuities, income floors, and financial independence.
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03The Day the Benefits Stopped
Cross-Border
Building private social security across borders.
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04The Tax Illusion
Cross-Border
Your heirs will inherit your assets, and several tax authorities will too.
Open ›
05Worth Millions on Paper
Business & Wealth
The illusion of business wealth and real security.
Open ›
06Too Young, Too Healthy, Too Late
Life Planning
The planning window closes without warning.
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07Nobody Has the Keys
Legacy & Philanthropy
Digital assets and the estate no one planned for.
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08Yours, Mine, and TheirsNow Reading
Family
The blended family guide to intentional inheritance.
Open ›
09Advised Everywhere. Planned Nowhere.
Cross-Border
One global plan instead of four local ones.
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10The Phone Call That Changes Everything
Family
Planning for ageing parents before the crisis hits.
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11Eighteen Years to Get This Right
Family
Education endowments and the cost of waiting.
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12Your Pension Is Here. Your Retirement Is There.
Life Planning
Cross-border retirement income planning.
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13The Stamp That Expires
Cross-Border
Financial planning that survives every visa change.
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14The 183-Day Trap
Cross-Border
How staying too long created a tax liability no one saw coming.
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15Nobody to Fall Back On
Life Planning
Financial planning for the global professional who stands alone.
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16Built by One. Lost by Three.
Business & Wealth
Breaking the three-generation wealth transfer cycle.
Open ›
17The Conversation the Money Needs
Family
Family governance and the wealth councils that work.
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18The Child the Financial Plan Forgot
Family
Planning for every child, including those with different needs.
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19The Empty Estate
Legacy & Philanthropy
When you decide your wealth belongs to the world.
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20The Family Philanthropy Playbook
Legacy & Philanthropy
Charities that are strategically sound and permanently sustainable.
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21From Piggy Banks to Private Trusts
Family
Raising children who can hold the wealth you build.
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22The Family Bank
Legacy & Philanthropy
Lending, governing, and growing wealth within the family.
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23The Plan You Think You Have
Life Planning
The gap between the documents you signed and the plan you need.
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24Just One More Million
Life Planning
The moving target that keeps you working forever.
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25My Family Would Never Fight Over Money
Family
The inheritance disputes that begin with that exact sentence.
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26I’ll Sort It Out When I’m Older
Life Planning
The most expensive sentence in financial planning.
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27Perfectly Logical
Life Planning
Why smart people make emotional money decisions.
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28I Was Going To
Life Planning
The cost of the plan you always meant to make.
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29More Salary, Less Money
Life Planning
Why earning more rarely means keeping more.
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30You Insured Your Phone
Life Planning
You protected the replaceable. You forgot the irreplaceable.
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31What to Do When the Money Arrives
Legacy & Philanthropy
The first decisions that shape an inheritance or windfall.
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What's inside

What you'll learn, chapter by chapter

01
Why blended is different
The specific failure modes ordinary planning ignores.
4 min
02
Spouse and children together
Providing for a partner without disinheriting your own kids.
5 min
03
Fair vs. equal
Designing division that the family experiences as just.
6 min
04
Trusts that protect both
Structures that serve a spouse for life, then the right children.
7 min
05
Beneficiary design
How the smallest forms can override the grandest will.
8 min
06
The blended family review
Updating every document to match the family you have now.
9 min
The framework

Four principles for blended estates

01
Name the real intent
Decide who you actually want to provide for, and when.
02
Protect both sides
Serve the spouse for life without disinheriting the children.
03
Engineer fairness
Use structure to deliver justice, not just hope for it.
04
Update everything
Align wills, trusts, and beneficiaries to today's family.

Visuals from the book

The Plan That Honours Every Family — A visual planning architecture showing how business assets, the family home, investments, and policies are translated into structured outcomes for yours, mine, and theirs.The Plan That Honours Every Family
The Blended Family Insurance Architecture — Six instruments and six planning roles working together to create certainty, continuity, and inclusion across a blended estate.The Blended Family Insurance Architecture
The Jurisdictional Inheritance Conflict — A world-map view of how France, the UK, the UAE, Singapore, and India can impose different inheritance rules on one family estate.The Jurisdictional Inheritance Conflict
The Inheritance Equalization Gap — A comparison between equal division and equitable distribution, showing how different tools can create fairer outcomes for spouse and children.The Inheritance Equalization Gap
Goodwill Runs Out. Structure Holds. — A contrast between verbal promises and documented instruments, showing that clarity, nominations, insurance, trusts, and education funding outlast good intentions.Goodwill Runs Out. Structure Holds.
An honest note

This is not about choosing sides

The goal is to honour everyone you love without forcing them to fight. If your family is not blended and your documents are current, this book will be less central, though the fairness framework still applies.

  • For remarried and blended families
  • Not about favouring one part of the family
  • Beneficiary forms can override your will
  • Most urgent after remarriage or a new child
“Love can blend a family. Only structure can keep it from coming apart over money.”
Dr. Sanjay Tolani
About the author
Dr. Sanjay Tolani

Dr. Sanjay Tolani

Founder & CEO, Tolani Family Office

Dr. Sanjay Tolani is a third-generation insurance professional and one of the most decorated financial planners in the world. He qualified for the Million Dollar Round Table at 19, the youngest member in its history, a record that still stands, and has since structured more than USD 25 billion in assets for over 50 high-net-worth families across 53 countries.

Beyond his practice, Dr. Sanjay has built the world’s largest advisor mentoring community, over 200,000 members, all free, and authored books that have sold more than a million copies in five languages. The Right Tool Series makes that same expertise available to families, business owners, and globally mobile professionals who need real plans, not general advice.

USD 25B+ Assets Structured 24× MDRT Qualifications 200K+ Advisors Mentored 1M+ Copies Sold 53 Countries Served 11M+ YouTube Views
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