
Probate & Estate Planning | Coral Gables, Florida
When a Sibling Dies in Florida, Who Inherits?
Florida law sets an order of inheritance, and a valid will or trust can change it. Marenco, helps heirs, beneficiaries and fiduciaries understand where they stand.
By Leslie V. Marenco · Published November 4, 2026
Short answer: who inherits when a sibling dies in Florida?
Who inherits when a sibling dies in Florida depends first on whether there is a valid will. If there is one, the will decides who gets the property it covers. If there is no will, Florida’s intestacy rules decide, and a sibling takes only after closer relatives are accounted for.
Many people assume siblings inherit before parents. Florida’s order is different. Descendants come first, then parents, and brothers and sisters come only when neither of those groups takes. The answer depends on the facts, including whether the sibling left a spouse, children or living parents.
This page covers wills, missing wills, half-siblings and the disputes that often follow. For a broader guide, see trust litigation in Florida.
If a sibling has died and you aren't sure whether you're an heir, you don't have to work out Florida's rules alone. Trust Counsel can talk it through with you. Talk it through with Trust Counsel, PL — the first consultation is free, confidential, and carries no obligation.

When the sibling left a valid will
A valid will controls who receives the property it covers. A sibling doesn’t get a share just because of the family tie.
Florida has strict signing rules. The person who made the will must sign it at the end, or have another person subscribe the person’s name at the end in the person’s presence and by the person’s direction, or acknowledge the signature, in front of at least two attesting witnesses. The witnesses must sign in that person’s presence and in each other’s presence, under Fla. Stat. § 732.502.
A will can also fail for other reasons. Under Fla. Stat. § 732.5165, a will is void if fraud, duress, mistake or undue influence procured its execution. The rest of the will can stay valid if it has no other defect.
Timing matters too. Under Fla. Stat. § 732.518, a challenge to a will can’t start before the person who made it dies.
The personal representative, the person who manages the estate, must settle and distribute it under the will and the Probate Code. That duty is set out in Fla. Stat. § 733.602.
When there is no will: Florida’s order of heirs
Without a will, a sibling inherits only if no closer relative takes first. Florida’s intestacy statutes set that order.
First comes the surviving spouse. The surviving spouse takes the entire intestate estate in some family situations and one-half in others. The exact share depends on whose children survived.
The rest passes under Fla. Stat. § 732.103. Descendants, meaning children and their children, take first. If there are none, the decedent’s father and mother take equally, or the survivor of them does.
Only if none of those relatives survive do brothers and sisters take. The descendants of a brother or sister who has died also take at this level.
Florida uses per stirpes distribution. Under Fla. Stat. § 732.104, descent is per stirpes. In plain words, if a brother or sister has already died, that person’s children generally take the share their parent would have received.
Ask which family members survived. That one fact often changes the whole answer.
Half-siblings and the whole-blood question
Yes, half-siblings can inherit in Florida. Under Fla. Stat. § 732.105, when collateral relatives are both whole-blood and half-blood, the half-blood relatives inherit half as much as the whole-blood relatives. If all of them are half-blood, they take whole shares.
A whole-blood sibling shares both parents with the deceased. A half-sibling shares only one parent. So if an estate passes to one whole sibling and one half-sibling, the whole sibling takes twice as much.
This rule applies when property passes to collateral relatives such as siblings and some of them are of the whole blood to the decedent while others are of the half blood.
Family trees can be hard to prove. When the heirs are unclear, an interested person can ask the court to decide. Under Fla. Stat. § 733.105, when property passes by intestate succession or the will is unclear and there is doubt about who is entitled to property or how much each person receives, any interested person may petition the court to determine beneficiaries or their shares.
Siblings’ rights: a sibling’s estate versus a parent’s estate
The rules follow the person who died. Readers often mix up a sibling’s estate with a parent’s estate. Check whose death the paperwork concerns before deciding who is an heir.
When a sibling dies without a will, the sibling’s spouse and children come before brothers and sisters. A surviving sibling takes only if those closer heirs don’t.
When a parent dies without a will, the picture changes. The surviving spouse’s share comes first under § 732.102. The parent’s children take the rest under § 732.103.
A rule that fits one estate doesn’t automatically fit the other. Compare the family tree for each death separately.
Common disputes and where they lead
Disputes often start when a will favors one sibling, when property moves without a clear record, or when a will is unclear. Florida gives the court a role in those questions.
The personal representative must follow the will and the Probate Code. Under Fla. Stat. § 733.504, a personal representative may be removed for causes such as wasting or maladministration of the estate. Other causes include failing to account for property sold and holding conflicting or adverse interests against the estate that will or may interfere with its administration, but that last cause does not apply to a surviving spouse exercising the right to the elective share, family allowance, or exemptions.
Trust Counsel’s attorneys can serve individually as trustee or personal representative. The firm advises and represents trustees, personal representatives and beneficiaries in these disputes.
Not sure what your next step is?
Talk it through with Trust Counsel, PL — the first consultation is free, confidential, and carries no obligation.

If you are dealing with a sibling’s estate now
Losing a brother or sister is painful. Many people then find themselves reading estate papers and court rules they never expected to handle.
You may be named in a will, left out of one, or unsure whether you are an heir. Each of those situations turns on the specific family facts and the documents involved.
This page is the responsibility of Leslie V. Marenco, an attorney with Trust Counsel, PL in Coral Gables, Florida.
Common questions
Does a sibling inherit if there is no will in Florida?
Sometimes. A sibling takes only when no spouse, descendant or parent takes first under § 732.103.
Do half-siblings inherit in Florida?
Yes. Under § 732.105, a half-sibling takes half as much as a whole sibling when both inherit together.
Can a will be challenged while the person is alive?
No. Under § 732.518, a challenge can’t start before the person who made the will dies.
The first consultation with Trust Counsel, PL is free, confidential and comes with no obligation to continue. Call (305) 707-7126 or schedule online to talk through your sibling’s estate.
What Shapes the Answer
Whether there is a will
A valid will controls how probate assets pass. Without one, Florida's intestacy statutes decide who takes.
Who else survives
A spouse, children, parents and other relatives can each affect whether a sibling takes anything at all.
Half-siblings and blended families
Half-siblings and stepfamilies raise questions that depend on the documents and the family facts.
Do not assume a sibling inherits
Family members often expect a share without reviewing the documents. Before you accept or dispute anything, look for a will, a trust and any beneficiary designations, and get advice on how they fit together.
Bring These to Your Consultation
Any will or trust
Copies of every will, codicil, trust agreement and amendment, even if you think they are outdated.
Family details
A list of the decedent's spouse, children, parents and siblings, including half-siblings.
Assets and accounts
Real estate, bank and brokerage accounts, business interests, and policies with named beneficiaries.
Notices and correspondence
Any court papers, letters from a personal representative or trustee, or messages about the estate.