Protecting Your Kids with an A-B Trust

Luke Lloyd
May 6
5 min read

Updated: 5 days ago

AB Trusts: Protecting Your Kids When Life Doesn’t Go as Planned

Most people think of financial planning as markets, returns, and retirement accounts. But the real test of a plan isn’t when everything goes right—it’s when something goes wrong. Death. Divorce. Remarriage. Blended families. That’s where estate planning tools like an AB trust earn their keep.

If your primary goal is protecting your kids—especially in complex family situations—this strategy deserves a serious look.

What Is an AB Trust?

An AB trust (also called a “bypass trust” or “credit shelter trust”) is a structure that activates when one spouse dies.

At that point, the estate splits into two buckets:

Trust A (Survivor’s Trust): Controlled by the surviving spouse. Flexible. Revocable. This is their money to live on.
Trust B (Bypass / Family Trust): Locked in for the benefit of the heirs (usually the kids). Irrevocable. Protected.

The key concept: not all assets automatically flow to the surviving spouse outright. Some are set aside with rules.

Why This Matters for Your Kids

Without structure, assets typically pass outright to the surviving spouse. Sounds fine… until life happens.

Scenario 1: Remarriage Risk

Let’s say a spouse passes away and everything goes to the surviving spouse. A few years later, they remarry.

Now ask the uncomfortable question: Where do those assets go when the surviving spouse dies?

To your kids?
Or to the new spouse… and their kids?

Without an AB trust, there are no guarantees. The surviving spouse can legally redirect assets.

Trust B solves this. It legally earmarks assets for your children—no matter what happens later.

Scenario 2: Divorce After Death (Yes, It Happens)

People don’t think about this enough. A surviving spouse can:

Remarry
Then divorce
And lose a significant portion of inherited assets in a settlement

Now part of your legacy just went to an ex-in-law.

Assets inside Trust B are generally shielded from this kind of division because they’re not owned outright by the surviving spouse—they’re held in trust.

Scenario 3: Blended Families

Second marriages with kids on both sides create one of the most common estate planning landmines.

Without a structure:

The surviving spouse may favor their biological children
Or unintentionally disinherit the first spouse’s kids

An AB trust allows you to:

Provide income/support to the surviving spouse
While preserving the principal for your children

It’s a way to say: “I love my spouse—but I also have a responsibility to my kids.”

Scenario 4: Creditor & Lawsuit Protection

If the surviving spouse faces:

Lawsuits
Business failures
Creditor issues

Assets held in Trust B are often better protected than assets owned outright.

That means your kids’ inheritance is less exposed to outside risks.

The Control Factor

An AB trust isn’t just about protection—it’s about control from beyond the grave.

You can dictate:

Who ultimately receives the assets
When they receive them
How they receive them (lump sum vs. staged distributions)

That matters if:

Your kids are young
You worry about spending habits
You want to prevent outside influence

But Let’s Be Honest—It’s Not for Everyone

AB trusts used to be more common when estate tax exemptions were lower. Today, fewer families need them for tax reasons.

But this is where most advisors miss the point:

This isn’t just about taxes—it’s about behavior.

People change:

After grief
After remarriage
After financial pressure

An AB trust is less about optimizing the IRS outcome and more about protecting against human nature.

The Trade-Offs

You’re adding structure—and with that comes friction:

Less flexibility for the surviving spouse
More complexity in administration
Legal and maintenance costs

So the question isn’t “Is this perfect?” It’s: What risk are you trying to eliminate?

When an AB Trust Makes the Most Sense

This strategy is especially valuable if:

You have children from a previous marriage
You’re concerned about remarriage risk
You want guaranteed inheritance for your kids
You have meaningful assets and want control over distribution
You don’t want your life’s work drifting outside your bloodline

Financial planning isn’t just about growing wealth—it’s about making sure it ends up where you intend.

An AB trust forces discipline into a situation where emotions, relationships, and life changes can easily derail your plan.

Because at the end of the day, this isn’t about legal structures or tax codes.

It’s about a simple promise:

No matter what happens—to me, to my spouse, or to our circumstances—my kids are protected.

Click here to schedule a meeting — I’m here to help you take the next step toward financial freedom.

Colin Symons, CIO Lloyd Financial Group

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