Estranged child annuity: $15M exemption shapes estate trust planning

A 70-year-old father rewriting his estate plan to provide a monthly life annuity for an estranged daughter is deploying irrevocable trust structures that hinge on the $15 million federal gift-tax exemption for 2026.

"The income will protect the money from her and, potentially, from people around her who might take advantage of her," the father wrote to MarketWatch's Moneyist column, describing his decision to fund a monthly annuity rather than a direct inheritance.

The $15 million basic exclusion amount for 2026, up from $13.99 million in 2025, applies to both estate and gift taxes, with married couples able to combine exemptions to $30 million. The annual gift-tax exclusion remains at $19,000 per recipient for 2026, according to IRS rules. The father, who has four children — two biological and two from his wife's prior marriage — said the annuity amount will be less than what the other children receive directly.

For estates above the exemption threshold, irrevocable trusts can move assets and their future growth out of the taxable estate, avoiding the 40% federal estate tax at each generational transfer. The structure also provides spendthrift protections that shield assets from creditors and from the beneficiary's own financial decisions, while a third-party special-needs trust can support a disabled adult child without jeopardizing government benefit eligibility.

The father's approach reflects a broader pattern in estate planning for blended families and strained relationships. Marital trusts allow each spouse to ensure their respective children are taken care of if one spouse dies first. Spendthrift trusts distribute funds based on need — including medical bills or education costs — while keeping assets out of the beneficiary's direct control.

The tax mechanics are straightforward but unforgiving. Putting money into a trust is treated as a taxable gift, though most families can offset this using the annual exclusion or the lifetime gift exemption. For 2026, the annual exclusion is $19,000 per recipient, and the lifetime exemption is $15 million per individual or $30 million for a married couple, according to IRS rules.

Trust Structures Determine Tax and Protection Outcomes

The choice of trust structure determines both tax treatment and asset protection. An irrevocable trust moves assets and their future growth out of the grantor's taxable estate, but the grantor cannot take the assets back, change beneficiaries at will, or use the property as their own. Income from the trust can be taxed to the trust itself, the beneficiary, or the grantor, depending on how the trust is structured.

Spendthrift protections can shield trust assets from creditors, and a third-party special-needs trust allows parents to support a disabled adult child without jeopardizing their eligibility for government benefits, primarily because the assets never legally belong to the beneficiary.

The strategy echoes the dynasty trust structure that the Rockefeller family used in 1934 to move wealth through six generations without a single federal estate tax bill, according to 24/7 Wall St. New trusts today do not receive the same grandfathering that the 1934 Rockefeller trusts received when Congress passed the generation-skipping transfer tax in 1976, but the GST exemption paired with favorable state law can deliver similar outcomes.

The $15 Million Threshold Defines Who Benefits

The math only works for estates above the exemption. For estates comfortably below $15 million, an irrevocable trust structure may be unnecessary. But for families with a business, concentrated stock, or real estate that will likely exceed the threshold, the structure was designed for that situation.

The father's decision to fund a monthly annuity rather than a lump sum reflects a deliberate choice: the annuity provides ongoing support while protecting the principal from mismanagement or exploitation. "If she had children, I would consider structuring the trust to help with things like education or a first home," he wrote. "I'd also make sure there was a corporate trustee or a truly trusted friend involved, because I wouldn't trust my daughter to manage a large inheritance herself."

The estate plan remains flexible. "If we ever reconcile, the estate plan can always be changed," the father noted, reflecting that estate planning documents can be updated as circumstances evolve. For families navigating similar situations, the key is to work with an estate attorney to structure trusts that balance asset protection, tax efficiency, and family dynamics.

This article is for informational purposes only and does not constitute professional advice. Tax rules and exemption amounts are subject to change; readers should verify against the latest official IRS guidance.