John Roberts, a former broadcaster, found all 63 inhabitants of Palmerston, one of the Cook Islands, spoke with a Gloucestershire twang, when he studied the area.
Mr Roberts wants to contact anyone who is related to William Marsters, a pioneer who he believes was born in Gloucestershire and settled on the island.

Beware the bear
A drunken woman was killed after wandering into a bear cage on a Ukrainian animal farm.
The middle-aged woman stepped into the cage apparently unaware there were two bears inside it.
There have previously been several cases of animal attacks involving intoxicated zoo and farm visitors in Ukraine, where safety rules are often neglected.

500ft pitfall
A man survived a 500ft fall into an inactive coal mine.
Police said Nathan Bowman, 23, of Tamaqua, was trespassing on coal company property last Friday when he slipped and fell into the Springdale Pit, Pennsylvania.
Mr Bowman said that he broke his collarbone and coccyx and suffered injuries to his wrist and ankle and was in a lot of pain, but added: "I'm still alive.''

Oh Doh
Asian vultures are following in the footsteps of the dodo and could be extinct in 10 years, say scientists.
One species, the oriental white-backed vulture, has lost 99.9% of its population since 1992.
Experts blame an anti-inflammatory drug given to livestock, which is poisoning vultures feeding on the carcasses of treated animals