When a successful business founder sits across my desk on Madison Avenue, the conversation almost always shifts from immediate tax mitigation to long-term permanence. They want to know how to protect their life’s work so that great-grandchildren they will never meet are shielded from creditors, divorces, and poor financial decisions. Often, they ask me to draft a perpetuity trust. I then have to explain a firm reality of state law—New York does not allow a trust to last forever.
The Rule Against Perpetuities Explained
The legal principle standing in the way of endless generational wealth is the Rule Against Perpetuities, codified in EPTL §9-1.1. Rooted in centuries of common law, this statute reflects the state’s historical distaste for dead-hand control—the idea that someone who has been deceased for two hundred years should not dictate how property and capital are used today.
Under EPTL §9-1.1, an interest in a trust must fully vest no later than twenty-one years after the death of a “life in being” at the time the trust is created. Draft a trust document that violates this mathematical rule, and the provisions fail entirely. This failure triggers unintended distributions, dragging the family into Surrogate’s Court to untangle a mess the grantor never anticipated.
Structuring Century-Long Stewardship
A capped timeline does not prevent profound generational wealth preservation. A deliberate, carefully drafted New York trust can protect family assets for a century or more without violating the statute.
By defining the measuring lives correctly—often using the youngest living descendants in your family at the time the trust is funded—the trust provides income and principal to your children, grandchildren, and potentially great-grandchildren before it must legally terminate. For many families, an irrevocable trust lasting 100 to 120 years provides more than enough runway to instill financial discipline, fund higher education, and protect capital from an entire generation’s worth of liabilities. Stewardship.
Seeking True Perpetuity Across State Lines
Occasionally, a century is not long enough. When representing families with highly concentrated wealth, legacy real estate, or significant business holdings, we sometimes look to jurisdictions that have intentionally abolished the Rule Against Perpetuities.
States like South Dakota, Delaware, and Nevada allow for true dynasty trusts, which exist indefinitely. A New York resident can establish and fund a trust governed by the laws of South Dakota. This strategy requires appointing a corporate trustee or co-trustee located in that jurisdiction to maintain the proper legal situs. We frequently coordinate these cross-border arrangements, structuring the trust so the family retains investment direction through a family committee, while an institutional trustee handles administrative and legal compliance in the situs state.
The Custodians of a Generational Legacy
Over a 100-year timeline, the original trustees you appoint will pass away or retire. The succession matrix of a generational trust is arguably more critical than its tax provisions. We spend considerable time drafting removal and replacement clauses to account for the unknown.
If a corporate trustee becomes unresponsive or their fee structure becomes unreasonable fifty years from now, your descendants need a clear, non-judicial mechanism to fire that institution and appoint a new fiduciary. A generational trust requires custodians who possess:
- Fiduciary Discipline: An unwavering commitment to the strict legal duties of loyalty and care, prioritizing the trust’s long-term preservation over short-term market trends.
- Succession Clarity: A clearly defined mechanism for replacing individual trustees without requiring court intervention or family litigation.
- Institutional Memory: The ability to interpret the grantor’s original intent decades after the trust was initially funded.
Preventing Rigidity with Decanting
The greatest threat to a multi-generational trust is not the tax code—it is rigidity. A document drafted today cannot possibly anticipate the economic realities, family dynamics, or legal shifts of 2090. A trust meant to last generations must be able to breathe.
When we structure long-term trusts, we prioritize adaptability. We routinely build in mechanisms like trust protectors—independent parties granted the authority to amend administrative provisions without going to court. We also rely on the New York decanting statute, EPTL §10-6.6. This law allows an authorized trustee to pour the assets from an outdated irrevocable trust into a newly drafted trust with modernized administrative terms, provided the beneficial interests remain fundamentally the same.
Securing a financial legacy requires more than printing a standard document and transferring a deed. It requires a deliberate strategy that respects both the limits of the law and the specific contours of your family. If you are relying on an older multi-generational trust, or if you are ready to map out a long-term protective structure for your assets, request a formal review of your estate timeline with our office to examine your current fiduciary appointments and succession plans.




