Preston acquired the land from Penn's heirs in 1812.
But the show attracted numerous donations of artifacts from collectors and their heirs; other items were purchased.
The State of Texas purchased the site from Robertson's heirs in 1945.
A 16th-century man pretends to be dying to obtain money from his prospective heirs.
Now the researchers are reading letters from the families who lived in the house after buying it from Jefferson's heirs.
In 1418 and again in 1515, Bern bought the lands back from the families' heirs.
Phillips died in 1683, and the plantation eventually passed from his heirs to 10 proprietors.
The state bought the vast tract from Wharton's heirs in the 1950s.
A new corporation formed and purchased the land on which the college building stood from Robertson's heirs.
The ground became the property of the club in 1924 when it was purchased from Ley's heirs for £10,000.