A creditor with a judgment against a limited partner does not get the real estate in the partnership. The usual remedy is a charging order, a lien on whatever the partnership distributes to that partner, and the general partner decides when that is. Some states make the order the creditor's exclusive remedy; others, Illinois among them, let a court foreclose the interest, so governing law is a choice, not a default.
The same restrictions do the estate-tax work. A limited interest that cannot be sold or redeemed is worth less than its share of the assets, and that discount is what the senior generation gives away in appraised, disclosed tranches. The trap is section 2036: a founder who pays personal bills from partnership accounts, or contributes nearly everything and lives on the distributions, invites the full value back into the estate, discount and all.
We form the partnership for a reason the file can state, fund it so the founder stays solvent outside it, and run it as a business with its own books. Where a valuation is examined, we have represented clients in matters before the IRS.