WIBTA if I took my moms inheritance money for myself?

A woman in her 50s just lost her mom, only to discover her younger sister drained over a million dollars from their mother’s accounts while supposedly caring for her in her final year.

What was meant to be a shared inheritance turned into a gut-wrenching betrayal, leaving barely $6,000 in the estate. But then came a bombshell: Mom had secretly told only her older daughter about a safe deposit box holding another $750,000 in stocks—and now she’s torn about whether to keep it all to herself.

‘WIBTA if I took my moms inheritance money for myself?’

The conflict started after their elderly, ill mother passed away, with the two sisters in their 50s expecting to split her substantial stock portfolio:

My (50's F) and my younger sister's (50's f) mom passed away recently. My mom was getting old and sick and so my sister decided she would move in with...

My mom had a lot of money in the stock market- over a million dollars. My sister knew about this, as did I. My mom wanted the stocks to go...

My mom had $6,000 left, overall. Not just $6,000 to me, but $6,000 total, including stocks. I was confused- my mom had A LOT of money last I checked,

and so I decided to investigate, as there was no possible way that my mom could have spent over a million dollars in a year.

Digging deeper revealed a shocking truth about the sister’s actions:

While looking into things with the attorney, I found out that my sister had been cashing out the stocks, and then writing the money to herself in checks made. She...

My mom had been asking me for months to see her bank statements, and when I brought it up to my sister, she said that she had showed my mom...

Now on to where I may be TA. My mom told me, and not my sister, that she had a safe deposit box with more stocks in it. I didn't...

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Anyway, I went to the safety deposit box and there was another $750,000 in stocks. I told my sister about it but I think I want to keep it all...

The emotional drive isn’t just financial, and legal options look tricky while friends urge fairness:

My problem isn't with money, I mean having part of the 1.3 million would make life easier, but what I actually care about is that my sister stole from my...

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So reddit, AITA for wanting to keep the 750k for myself? My sister hasn't asked for it yet (probably cause she knows I'm investigating what happened) but my husband and...

Edits to add:

- I thought it was right to tell my sister about the shares I found because they would technically be both of ours

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-my sister kept her full time job when she moved in with my mom so she wasn’t giving up income, she just has a low paying job

- I will likely be getting a lawyer. This is definitely overwhelming seeing as my mom recently passed and I never expected this situation to come up

- I didn’t really have a reason not to trust my sister- she was telling me that she did show my mom the checks and my mom didn’t remember as...

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This heartbreaking situation spotlights elder financial abuse, a disturbingly common issue where caregivers exploit vulnerable family members. The younger sister’s systematic cashing of stocks raises serious red flags for fraud, especially given the mother’s declining memory and repeated requests for bank statements.

Financial exploitation of elders often involves forgery or undue influence, and courts take it seriously when evidence like mismatched signatures exists. Comparing check handwriting to the mother’s known samples could prove pivotal, as one commenter suggested.

Family dynamics expert and psychologist Dr. Ramani Durvasula often discusses (in interviews and her work on narcissism and abuse) how greed can fracture sibling relationships irreparably, turning trust into betrayal during end-of-life care. She stresses that victims sometimes leave “hidden” assets to one child as a subtle signal of distrust.

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Practical steps forward: Consult a specialist in elder law or probate immediately—many take cases on contingency for clear fraud. Report to adult protective services or police if forgery is suspected, as this could be criminal. For the safe deposit box, get legal confirmation on ownership before acting; keeping it might balance the scales morally, but transparency avoids future claims. Therapy for grief and betrayal will help process the double loss of mother and sister.

Let’s dive into the reactions from Reddit:

The vast majority online slammed the younger sister hard and backed the OP keeping the hidden stocks, calling it rough justice rather than theft.

Plenty of users pointed out the massive imbalance and urged protecting what’s left:

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StViers − NTA If folks are comparing you keeping $750k to yourself after disclosing it to your sister with her literally stealing $1.3 million, then they probably should start commenting...

[Reddit User] − I’m thuggish I would tell her I got it but not sharing and dare her to take me to court. She won’t

KimmyKatAlways − NTA If the checks weren’t signed by your Mom, that’s fraud. I’d have a lawyer draw up a letter requesting an immediate transfer to you for half the...

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SkyLightk23 − Your sister stole from your mom. Your mom knew something was up and that is why she was asking for you to look at the bank statements.

Also your mom told you about the deposit box and she didn't tell your sister. 750k is less than 1.3millon but as you said it will be a "she said,...

If it is legal keep the 750k, it is what your mom wanted, to split the money evenly, with 750k is not totally even but it is not bad.

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Make sure to validate with your lawyer so your sister doesn't go after you in court, make her sign something or so. Make it clear that if she doesn't sign...

You have to also think of your own family, your children, grandchildren. Your sister is set, now it is your share. You wouldn't be the AH if you kept it....

Your sister is an AH and you need to be careful with her. Some people just lose themselves when is about money. It is sad, but you can't trust her...

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holiestcannoly − Couldn't they compare the handwriting on those checks and your mother's actual handwriting?

[Reddit User] − NTA, she stole that money and almost screwed you. No way she should get half of the 750K now. Take it and tell her to p__s off.

MersWhaawhaa − NTA. Consider the amount she has stolen as hers that she already used. I would speak to your lawyer however about the stocks in the safe for his...

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or ensure that your sister cannot claim her half from them. Honestly if it was me I would move the stocks into a safe place and leave them there until...

angstyart − This feels fake but just in case it isn’t NTA.

EvilSockLady − INFO: is there any way a significant portion of that money was used to help pay for your mother’s care? (Medicines, medical equipment, home healthcare workers, physical therapy,...

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That could definitely add up to a couple hundred thousand over a couple of years. INFO: have you actually asked your sister about the missing 1.3m?

If she truly ended up taking more than $750k for herself, I think you should have absolutely zero qualms about keeping the rest and NTA. But I would try to...

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[Reddit User] − NTA. Keep the 750k. Forget the attorney who told you 70k to pursue it. Your sister committed elder abuse/fraud. Please talk to law enforcement.

Emotional-Ebb8321 − NTA In your position, I'd quietly ignore that 750k until after the legal situation of the 1.3m is sorted out.

Then start legal proceedings for the 1.3m to get a conclusive legal position on that money. This comes across as a classic case of elder abuse. I don't think I...

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ghenniepoo − Basically your mother left you and your sister roughly $2 million, or $1 million each. Your sister took $1.3 million. You have $750k.

Your sister still owes you $250k, roughly. Without the stocks in the safety deposit box, she’d owe you half of the $1.3 million. Course you’ll never see any money she...

Don’t allow her to guilt you into giving her part of your inheritance. NTA

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Coco_Dirichlet − NAH I think your lawyer is telling you that it'd be very hard to prove your case it would cost 70k and it is a he said she...

That's what I'm reading here. "He said/She said" is not a good case and it's also going to take a long time. There could be more costs involved, like paying...

Can't you make some arrangement with your sister so that you keep it since she stole the other money? Or are you trying to get back money she stole as...

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ms-xx − NTA Your sister made clear she’s going to be selfish and that she’s not going to consider your or your mother’s wishes. Take the $750K and part ways...

tberriman − Obviously NTA as you haven't done anything yet, but: Listen to your attorney. Enquire if they will take the case on contingency (i. e. they get paid if...

Don't try to hide it and say nothing, because if your sister ever finds out you WILL be liable. Are you executor of your mother's estate? Is probate being obtained?

What is the relevant legislation in your jurisdiction regarding estates? This is not something to take lightly - spend the $$$ and get a full letter of advice from a...

Almost everyone agrees the OP wouldn’t be wrong for holding onto the $750K—it feels like the closest thing to fairness after such a massive theft, even if it stings for the sibling relationship.

Cases like this shatter families and raise tough questions about trust, greed, and justice. Would you keep the hidden inheritance to balance things out, or push for a legal fight no matter the cost? Sound off below—we’re all ears.

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