There may be no paperwork to confirm who gets what but that doesn’t mean it is not decreed by law.
There are strict rules of intestacy if someone dies without a will.
A spouse gets the first GBP250,000 of the estate and 50% of the remainder and children get everything after that.
With, the entire estate goes to parents and have no parents, to siblings and if no parents and no siblings, to cousins.
If anyone in those categories has died but left children, the children get the parents share.
If someone dies intestate there is no provision for assets to be distributed, everything gets sold and the money is dealt with unless all the beneficiaries agree otherwise.
If you can give me some more detail, I can probably answer you further.
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