An heir at law is a close relative who inherits from someone who died without a valid will, with the right to inherit coming directly from state statute rather than from any document the deceased person signed. Which relatives qualify, and how much each one receives, depends on who else in the family survived and on the intestacy rules in the state where the deceased person lived. You don’t choose to become an heir at law, and the person who died didn’t choose you either. The law did.
Heir at Law vs. Beneficiary
These two words describe different paths to the same outcome: receiving property after someone dies. An heir at law gets that status automatically through family relationship and state law when no valid will exists. A beneficiary is someone specifically named in a will, trust, or life insurance policy. The person writing that document can name anyone — a family member, a friend, a neighbor, or a charity.
The distinction matters. If a parent with one child dies without a will, that child is the heir at law and inherits whatever the state formula provides. If that same parent had a will leaving everything to a longtime friend, the friend is the beneficiary and the child inherits nothing through the will. The same person can wear both labels: a surviving spouse named in a will is a beneficiary and would also have been an heir at law if the will didn’t exist.
Who Inherits and in What Order
Every state follows roughly the same priority order when deciding which relatives inherit, though the exact percentages vary. The surviving spouse and children sit at the top. If neither exists, the estate moves to the next group of relatives, and the next, until someone living is found. The Uniform Probate Code, which many states have adopted in whole or in part, lays out this sequence:
- Surviving spouse: typically first in line, though the share depends on whether children or parents also survive.
- Children and other descendants: share the estate with or after the surviving spouse. Grandchildren inherit only if their parent (the deceased person’s child) died first.
- Parents: inherit if the deceased left no spouse or descendants.
- Siblings and their descendants: if the parents are also gone, brothers and sisters inherit. If a sibling died before the deceased, that sibling’s children step into their parent’s share.
- Grandparents, aunts, uncles, and cousins: progressively more distant relatives inherit only when no closer relatives survive.
A surviving spouse’s share is almost never “everything” when children also survive. In many states, a spouse receives a first portion of the estate (sometimes a fixed dollar amount) plus a fraction of the remainder, and the children split the rest. If there are no children and no surviving parents, the spouse usually takes the whole estate.
Adopted, Non-Marital, and Posthumous Children
Adopted children have the same inheritance rights as biological children in every state. Once an adoption is finalized, the legal parent-child relationship transfers completely: the adopted child inherits from the adoptive parents, and the connection to the biological parents is severed for inheritance purposes. One common exception: when a stepparent adopts a child, the child can still inherit from the biological parent who is married to the stepparent.
Children born outside of marriage inherit automatically from their mother. Inheriting from a biological father is harder. Most states require some proof of paternity: an acknowledgment signed during the father’s lifetime, a court order establishing parentage, or genetic testing. Without that proof, a non-marital child may be shut out of the father’s estate. Children conceived before but born after a parent’s death are generally treated as heirs if born within a reasonable time, typically within the gestational period.
Who Doesn’t Qualify
Stepchildren and foster children have no inheritance rights under intestacy laws unless they were legally adopted. This catches many families off guard. A stepparent who raised a child for decades without completing a formal adoption leaves that child with no legal claim to the estate. Unmarried partners face the same wall. A few states recognize common-law marriage, and a surviving common-law spouse who can prove the marriage will inherit like any other spouse. In states that don’t recognize common-law marriage, a long-term partner has no inheritance rights at all without a will.
Half-siblings generally do qualify. Most states treat them identically to full siblings for inheritance purposes, though a small number give half-siblings a reduced share.
What You Actually Receive
Heirs inherit only what falls into the probate estate, which is often smaller than people expect. Several common asset types bypass probate entirely and go straight to whoever is named on the account or title, regardless of what intestacy laws say:
- Jointly owned property with survivorship rights passes automatically to the surviving co-owner.
- Retirement accounts and life insurance go to the named beneficiary on file with the institution.
- Payable-on-death and transfer-on-death bank and brokerage accounts transfer directly to the designated recipient.
- Trust assets follow the trust’s terms, not intestacy law.
If one of these accounts has no living beneficiary named, or the named beneficiary died first and no contingent beneficiary exists, the asset loses its non-probate status and falls back into the estate, where intestacy rules apply.
Debts Come First
The estate’s debts must be paid in full before any heir receives a dollar. State probate codes set a priority order that generally runs: funeral and burial costs, then court and attorney fees for administering the estate, then taxes owed by the deceased, then medical bills from the final illness, and finally all remaining creditor claims. Secured debts like a mortgage follow their own track; the lender can foreclose regardless of what’s happening in probate.
If the estate doesn’t have enough assets to cover all debts, it’s insolvent, and heirs receive nothing. Heirs are not personally responsible for the deceased person’s debts. Creditors can collect only from the estate’s assets, not from an heir’s own money. Anyone who contacts you claiming you personally owe a deceased relative’s debts is either misinformed or trying to pressure you into paying something you don’t owe.
Losing or Refusing the Right to Inherit
The Slayer Rule
Every state has some version of a straightforward principle: you cannot inherit from someone you intentionally killed. The slayer rule treats the killer as though they died before the victim, removing them from the line of succession entirely. The estate then passes to whoever would have inherited if the killer didn’t exist. The standard in most states is a preponderance of the evidence, meaning a civil probate court can apply the rule even without a criminal conviction, as long as the evidence shows the killing was more likely than not intentional.
Disclaiming an Inheritance
An heir at law can refuse an inheritance through a qualified disclaimer. This might make sense when inheriting would push you into a higher tax bracket, when the inherited property carries liabilities you don’t want, or when you’d prefer the assets pass to the next person in line (often your own children). Federal law sets the requirements: the disclaimer must be in writing, delivered within nine months of the death, and you cannot have already accepted any benefit from the property. Once filed, it’s irrevocable. The assets pass as though you had died before the person who left them, and you have no say in where they go next.1Office of the Law Revision Counsel. 26 U.S. Code 2518 – Disclaimers
Proving You’re an Heir
Being an heir at law is one thing. Proving it to a probate court is another. After someone files a petition to open the estate, the court requires proof of family relationships before distributing anything. That proof typically involves birth certificates, marriage certificates, death certificates of predeceased relatives, and sometimes DNA evidence or testimony from people who knew the family.
When heirs are known, cooperative, and easy to locate, this step moves quickly. When they’re not, or when a dispute arises about parentage or a previously unknown child comes forward, the court can appoint an attorney to represent any unknown or unlocated heirs and investigate the claims. That investigation can add months.
Affidavit of Heirship
Not every estate needs full probate. For smaller estates or situations where the main asset is real property, many states allow heirship to be established through an affidavit of heirship: a sworn statement signed by one or more people who aren’t beneficiaries of the estate but personally knew the deceased and the family. The affidavit details the person’s marital history, children, and other relatives, and it’s filed in the county where the property sits. Title companies can rely on it to transfer ownership.2Department of Justice Archives. ENRD Resource Manual 53 – Affidavit of Heirship
Small Estate Procedures
Every state offers some form of simplified process for estates below a certain value, letting heirs collect assets without full probate. The dollar thresholds range widely, from around $15,000 in some states to $200,000 in others. These procedures typically involve filing a small estate affidavit or a summary petition. Some states exclude real estate from the simplified track; others raise the threshold when the sole heir is a surviving spouse or minor child. Checking your state’s specific cutoff is worth the effort, because full probate is significantly more expensive and slower.
Taxes on What You Inherit
Most heirs at law will never deal with federal estate tax. It only applies when the total value of everything the deceased person owned exceeds $15,000,000 in 2026, a threshold raised by the One, Big, Beautiful Bill Act signed into law on July 4, 2025.3Internal Revenue Service. What’s New – Estate and Gift Tax Married couples can effectively double that amount through portability, meaning the surviving spouse can use the deceased spouse’s unused exemption. For estates that do exceed the threshold, the tax is paid by the estate before assets are distributed; heirs don’t receive a bill afterward.4Internal Revenue Service. Estate Tax
Inheritance itself is not income for federal tax purposes. You won’t owe income tax simply for receiving property from a deceased relative’s estate. Inherited property does carry tax implications later: if you sell inherited real estate or investments, you’ll owe capital gains tax on any appreciation above the property’s value at the date of death, known as the stepped-up basis. A handful of states impose their own separate inheritance or estate taxes with lower exemption thresholds, so heirs in those states may face a state-level tax bill even when the federal exemption doesn’t apply.