Key facts: Under Wisconsin probate law, tax liens survive the decedent's death and attach to inherited real property; estates exceeding the $50,000 value threshold may face different procedural requirements; a mandatory 30-day waiting period applies after opening probate to allow investigation of all recorded liens; personal representatives must obtain court approval before selling lien-encumbered property; federal tax liens require specific discharge procedures; and heirs accepting inherited property accept it subject to all recorded tax obligations.