@Opus 17 wrote:
If the account is in the name of the parent with the sister as co-owner, that means the sister was an equal owner of the money with the parent, and is now the sole owner.
That would be generally true if the joint bank account were one with a right of survivorship which is typical, but not always the case.
Further, some states have laws that abrogate JTWROS if there is clear and convincing evidence that the decedent intended a different result.
@housei needs to consult with local legal counsel, particularly since there are substantial assets here.
