The Sibling Equity Conversation: When Some Built It and Some Didn't

In my work as a family business psychotherapist, I work with a common configuration in family business—the one in which some siblings work in the company, while others do not.

The active siblings draw a salary and accumulate professional credibility through the company. The passive siblings receive nothing during operating years. They watch the business absorb the parents' attention and arrive at distribution moments carrying decades of asymmetric experience that has never been named.

A moment then arrives — a dividend declared, a parent dies, the business sold. The asymmetry, held silently for thirty years, is suddenly the centre of the room.

What happens next determines whether the siblings remain a family.

Why Advisors Cannot Solve This

Lawyers, accountants, and wealth advisors design the financial structures — the architecture inside which the family can hold its decisions. But the structure is what the family writes down after the conversation has been had honestly. And in most families I work with, the conversation has never been had honestly.

What advisors call "the equity discussion" is actually four conversations the family has been avoiding for decades:

• What does it mean that I gave my working life to this and you didn't?
• What does it mean that I was never invited in?
• What do Mum and Dad actually think we deserve?
• And what does any of this say about whether they loved us equally?

The pattern does not yield to a fairer formula. It yields only when the asymmetric experience beneath the formula is fully seen.

The Five Wounds Beneath the Formula

Five wounds drive every difficult sibling equity conversation.

Equal feels insulting. Equitable feels like punishment.

To the active sibling who has carried operational risk for two decades, an equal split says their contribution did not count. To the passive sibling who was never offered a role, an equitable split says they are worth less to the family.

Both interpretations are emotionally accurate. This is not a negotiation problem. It is a recognition problem in the language of equity.

The invisible wage.

The active sibling has been paid for years. The passive sibling has not. By the time of a sale or estate distribution, the active sibling has often accumulated three to five times the cash position of their passive siblings. None of this is illegitimate — the active sibling did the work and earned the salary.

But it almost never enters the equity conversation. The passive sibling sees the proposed split, not the twenty years of differential income. The active sibling does not name it because to name it sounds like an attack. The financial asymmetry, accumulated silently, becomes the unspoken pressure beneath every formal discussion.

The parents' impossible position.

The parents holding the equity decision usually try to honour two contradictory commitments: equal love expressed through equal share, and fair recognition of operational contribution. These cannot both be fully delivered. Research confirms that parental altruism — the impulse to treat children equally — produces serious governance problems in family firms (Lubatkin et al., 2005).

Most parents resolve the impossibility by deferring. Later becomes never. The deferral becomes the decision.

When a parent dies before the conversation has been had, the active sibling interprets what their parents would have wanted. The passive siblings interpret whether their parents loved them as much. Both interpretations harden permanently.

The recognition gap that is not financial.

What the passive sibling actually wants is not the money. It is acknowledgement that being "the one who didn't go into the business" was a position they were placed in, sometimes deliberately, often by default. The cost of that placement was real.

A meta-analysis of 26,451 participants confirms it: children who experience less-favoured treatment show significantly higher rates of internalizing and externalizing behaviour into adulthood (Jensen & Thomsen, 2024).

When this is acknowledged directly, the passive sibling becomes much more flexible on the financial question. When it is never acknowledged, no formula is generous enough.

The sale as compressed grief.

When the trigger is a business sale, decades of unspoken material surfaces inside a 90-day deal cycle. The advisors are running a transaction. The family is having an existential reckoning. The two timelines collide, and rupture follows.

The Interventions

Note: what follows are simplified illustrations of my clinical work and should only be undertaken with the guidance of a trained psychotherapist.

My approach moves through three layers in sequence: individual sessions, key dyads, then family sessions. Research in family-based psychotherapy confirms that integrating individual and multi-person work predicts better outcomes than either alone (Hogue et al., 2008).

Individual Sessions: Surfacing What Each Person Actually Wants

Before the family can speak honestly, each person needs access to what they actually want. Most do not know. They know what they are negotiating against, not what they are reaching for.

I ask each family member, separately, a future-oriented question:

"Suppose tonight, while you slept, this resolved. Tomorrow you wake up and the equity question is settled. You don't know how. But it is done, and it feels right to all of you. What is the first thing you would notice was different?"

The answers are almost never about money.

The active sibling: "My brother would look at me differently. There would be something in his face that said he understood what it took."

The passive sibling: "My sister would say, just once, that she knew I was placed outside this. That it wasn't my choice."

These are the recognition needs underneath the formula. Once each person has accessed their own, the conversation has somewhere to go that is not the spreadsheet.

Identifying the Key Dyads

Sibling equity is rarely held equally across the whole family. One or two relationships carry disproportionate weight, and the whole family cannot move until those move.

In an early sibling group session, I am present to where the heat concentrates. I notice which two people cannot look at each other, which alliances have hardened, and which silence is doing the most work. Then I name it:

"It looks to me like there is something specific between you two that the rest of the family is waiting on. I'd like to work with you separately before we come back together."

Three dyads recur. The parental dyad, where the two parents hold contradictory positions or defer on a shared one. The active sibling and the most aggrieved passive sibling, where the wound is concentrated. The active sibling and the parent who placed them in the role. Unfinished business with that parent — usually the founder — drives the active sibling's posture toward their siblings.

Working the Parental Dyad

When I work with the parents alone, I ask each of them to speak directly to the other.

"Tell each other, now, what you have been afraid to say. About what you actually think is fair. About whether you agree."

What surfaces is usually a long-held disagreement, conceded for family peace and never resolved. Or it is the shared recognition that they have both been avoiding the same impossible question.

The decision they make together, having spoken honestly, becomes one they can hold in front of their children. The children sense the difference immediately. A decision the parents arrived at jointly carries authority. A decision one parent imposed and the other silently accepted does not.

Working the Active-Passive Sibling Dyad

In the dyad session between the active sibling and the most aggrieved passive sibling, I work with what neither has been able to say.

The active sibling: "I gave my working life to this. And I am angry that I had to want it for both of us. I have spent twenty years waiting for someone in this family to say they saw what it cost me."

The passive sibling: "I watched you all build something together. I was never asked. I told myself I didn't want it. I am only beginning to understand what it cost me to tell myself that."

I notice the body as each speaks. What surfaces beneath the resentment is grief — not about each other, but about what each lost during the years no one named the asymmetry.

Working the Active Sibling and the Parent

Where the parent who placed the active sibling in the business is alive, I bring them into a session together. The active sibling speaks directly about what they have never been able to say.

Where the parent has died, the active sibling speaks aloud — using a chair to represent them — and says it anyway. The recognition the active sibling has been waiting for, the one only this parent could give, gets spoken to the person it was meant for. Something releases in the body that no negotiation with siblings can deliver.

The Family Session

Only after the dyad work is complete do I bring the whole family back together. The family session is not where breakthroughs happen — it is where what was reached in the dyads is spoken to the whole family.

The active sibling: "I have been carrying this business for twenty years. I am tired. And I am afraid that none of you will ever know what it took."

The passive sibling: "I have been outside this for twenty years. I am tired too. And I am afraid that none of you will ever know what that cost me."

I will sometimes also bring myself into the room as data:

"I may be wrong, but as you spoke just now, I felt the family arrive in the room for the first time. What comes up for you hearing me say that?"

What they say in response is often more useful than anything they reached on their own. The asymmetry has been named from outside it.

What Happens in the Room

When the recognition lands, the room gets quieter. Not because the conversation is over. Because the conversation has finally happened.

What follows is usually a financial discussion that is calmer, more flexible, and more generous than either side imagined possible. The active sibling, now acknowledged, often offers more than the passive sibling expected. The passive sibling, now seen, often asks for less than the active sibling feared.

The formula is no longer carrying the weight of every unsaid thing. It becomes what it was always meant to be: a structure for distributing money, not a verdict on whose life mattered.

Why This Matters

Your advisors design the financial architecture. Family business psychotherapy works at the relational layer beneath it. Where the recognition was withheld. Where the asymmetry was unspoken. Where the family decides whether it will survive the conversation it has been avoiding for decades.

For broader sibling dynamics inside the business, see my article on sibling rivalry in family business. For the structural reasons succession plans collapse, see why succession plans fail.

I hope you find this helpful.

References

• Hogue, A., Henderson, C. E., Dauber, S., Barajas, P. C., Fried, A., & Liddle, H. A. (2008). Treatment techniques and outcomes in multidimensional family therapy for adolescent behavior problems. Journal of Family Psychology, 22(4), 535–543. https://doi.org/10.1037/0893-3200.22.4.535
• Jensen, A. C., & Thomsen, A. E. (2024). Parental differential treatment of siblings linked with internalizing and externalizing behavior: A meta-analysis. Child Development, 95(4), 1384–1405. https://doi.org/10.1111/cdev.14091
• Lubatkin, M. H., Schulze, W. S., Ling, Y., & Dino, R. N. (2005). The effects of parental altruism on the governance of family-managed firms. Journal of Organizational Behavior, 26(3), 313–330. https://doi.org/10.1002/job.307