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Legacy

How to Build Generational Wealth That Outlives You

Keith Brown · Growth & Leadership

May 14, 2026 · 6 min read

Legacy is what you accomplish in your lifetime. A dynasty is what you pass down and keep compounding across generations. Generational wealth lasts when a family plans for the money and the people together, often with a written family charter.

Generational wealth is built by thinking past your own lifetime. Legacy is what you accomplish and how you're remembered. A dynasty is what gets passed down and keeps compounding, long after you're gone.

Most families never get there. A widely cited study by Roy Williams and Vic Preisser is often cited for the claim that about 70% of wealthy families lose their wealth by the second generation. Researchers debate the exact number, but most agree the risk is real. The Federal Reserve's Survey of Consumer Finances shows how concentrated wealth already is at the top, which makes how it gets passed down matter even more.

Someone's sitting in the shade today because someone planted a tree a long time ago.
— Warren Buffett, 1991

I learned the difference from a friend in South Texas. This article is about what he taught me, the math behind it, and how families can build something healthy that lasts. I first wrote about him in Legacy vs. Dynasty.

A drive around a small Texas town

I went down to visit a good friend in a city I'd never been to. He drove me around and pointed out businesses he was involved in. This company over here. That one over there. It was a lot.

At one point I turned to him and said, "Man, do you own the whole town?" He just smiled. We were driving in an understated car, the kind you see everywhere and never think twice about.

I later found out his family has been employing people in that town for more than 100 years. Their history there goes back generations.

Legacy vs. dynasty

Over lunch I told him it was cool that his family was so focused on legacy. He said, "We don't really think about legacy in my family. We think about dynasty."

It was one of the most profound things I've ever heard.

I had gotten past the money phase of life. I was starting to buy back my time and realize how valuable it is. I thought I was building a legacy. But a legacy is mostly about yourself.

  • Legacy is your own accomplishments and what people remember about you.
  • Dynasty is what outlives you and carries across multiple generations.
My legacy will come and go. It's the dynasty that compounds throughout legacies.
— Keith Brown
Keith Brown leaning against the trunk of a giant sequoia tree
Giant sequoias live for thousands of years. They grow slowly, and they keep growing.

Every family has legacies. Few build a dynasty

When I look back at my own family, there have been people focused on their legacy for more than 100 years. Lawyers and doctors. Teachers and farmers. Engineers and architects.

Every one of them has a legacy. Their own work, and what people remember about them. What my friend's family had was different. They focused on what gets passed to the next generation and grows over time.

The math of compounding across generations

Here's the math that stopped me.

Many families who save steadily, pay into a 401(k) and pay off a house reach retirement with around $1 million. For context, the Federal Reserve's Survey of Consumer Finances tracks how wealth is distributed, and most families have less, so treat $1 million as a goal rather than an average.

Now take that $1 million and let it compound at 10% a year. Not over one lifetime, but over five generations of about 30 years each. That's 150 years.

  • After one generation (30 years): about $17 million.
  • After three generations (90 years): about $5.3 billion.
  • After five generations (150 years): about $1.6 trillion.

That's before taxes, inflation and the family growing larger, and no one should count on a steady 10%. But the point holds. Time is the biggest lever a family has, and most families never use it.

Why most family wealth doesn't last

What usually happens instead is a cycle. One generation makes it. The next generation spends it. The next one loses it. Then a generation grows up hungry and learns it all over again.

Hunger, then a full table, then entitlement. A lot of families struggle with this.

There's an old saying for it: "shirtsleeves to shirtsleeves in three generations." You'll often see a statistic that 70% of wealthy families lose their wealth by the second generation, from Roy Williams and Vic Preisser's book Preparing Heirs. Family wealth psychologist James Grubman has questioned how solid that number is, and better research shows many families do last.

I find that encouraging. Wealth fading isn't fate. Both sides of the debate agree on the cause, which is the family itself: values that never got passed down, heirs who were never prepared, and no plan for how to work together.

What a family charter is

Back at his house, my friend showed me his family charter. It hangs on the living room walls of different family members' homes. It hit me all at once.

A family charter, sometimes called a family constitution, is a written statement of what a family stands for and how it makes decisions together. It usually covers:

  • Values. What the family stands for, in plain words.
  • Decisions. Who decides what, and how.
  • Roles. How family members earn a place in the business or on the board.
  • Money. How wealth is shared, invested and given away.
  • Disagreements. How conflict gets handled before it divides the family.
  • The next generation. How children learn about responsibility, work and money.

I'm working on a family charter of my own now, and I'll share more about it in the future. I wrote about another side of this, thinking in decades instead of hours, in some families plan 100 years ahead.

A dynasty doesn't have to mean power

The word "dynasty" can sound silly, or worse. Read about dynasties in history and you'll find power, abuse of power, nepotism and families closing themselves off.

I think we've forgotten the old ways. We throw the baby out with the bathwater all the time. A dynasty doesn't need to be about power. It can be healthy, and simply focused on your family: its values, its people and what it gives back.

My friend's family has employed people in their town for over a century. That's the kind of dynasty I mean.

How to start building yours

You don't need a fortune to begin. You need a longer time horizon and a few honest conversations.

  1. Write down what you stand for. Three to five values you'd want your great-grandchildren to keep.
  2. Talk about money with your family. Silence is how the next generation ends up unprepared.
  3. Prepare the heirs, not just the assets. Teach work, responsibility and stewardship early.
  4. Invest for decades. Protect the principal so compounding has time to work.
  5. Get help. An estate attorney and a financial advisor can set up the trusts and structure. The values are yours to define.
  6. Start a charter. A single page is enough to begin. Revisit it together every year.

If you've sold a company or are thinking about it, this is the moment these questions matter most. See what you'd keep at exit, and why I'd rather back founders than an index fund.

Thinking past your own lifetime

I'm not as concerned with my legacy anymore. Legacies come and go. What compounds is what a family passes down, one generation to the next.

That's what I learned from a friend in a small Texas town and an understated car. It's worth asking what you're building that will outlive you.

This article is for general information and isn't financial, tax or legal advice.

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