Dialta Alliata di Montereale

Princess Dialta Alliata di Montereale is an Italian aristocrat who is involved in a 25-year court battle to claim a half-share of Arthur Acton's $1 billion art collection, and DNA testing has confirmed that she is his granddaughter.

[1] When Acton's son Sir Harold Acton died in 1994, his father's vast art collection housed in the Villa La Pietra in Florence, Italy, was left to New York University (NYU), and now forms their overseas campus NYU Florence.

[2] Acton's alma mater, the University of Oxford, turned down the opportunity to take on Villa La Pietra, and NYU won the right to do so, and in 1996 were converting it into a conference and study centre based around the Actons' art collection.

[4] With a judgment in 2017 the Court of Florence has decided that Liana Beacci was the biological daughter of Arthur Acton.Liana Beacci's heirs have claimed the rights to the inheritance of Arthur Acton and the proceedings are still pending before the Court of Florence.

"[4] She is married to Prince Vittorio di Montereale, they have five children, and live in Honolulu, Hawaii.