Mark Zuckerberg is reportedly suing Hawaiian families who have ancestral rights to land within his $100 million (£81.2 million) property in a bid to force them to sell their plots.
The Facebook founder has launched the legal action in an attempt to make his 700-acre beachfront estate on the Island of Kauai more private.
Under legislation dating back to 1850 known as the Kuleana Act, almost a dozen native families currently have the right to live on small sections of land within the billionaire's property on the island, according to the Honolulu Star Advertiser.
Mr Zuckerberg is understood to have filed suits called “quiet title actions” against several hundred Hawaiian people through different companies he owns.
Some of owners of the land are now dead and the owners of the plots can be difficult to trace, since land possession under the old law is largely undocumented.
The plots, known as kuleana lands, are often divided into ever smaller portions as they are passed down through families.
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