Joe Biden: Unearthing the president's unsung English roots
The year was 1820 when เล่นเกมสล็อต roma แบบ ทดลอง ฟรี an English immigrant named William Biden first appeared in US records. A census listed him as a resident of Maryland, one of about 10 million people then living in the US.
He was part of a growing community of immigrants who, in many cases, were lured to the country by the promise of a better life.
If they stretched far enough, a piece of the American dream was within their grasp.
Some 200 years later, another man by the name of Biden would chase that dream to dizzying heights.
When Joseph Robinette Biden Jr, 78, won the presidential election last year, his victory was celebrated in the Republic of Ireland, one of his ancestral lands.
Meanwhile, the reaction was muted in Westbourne, a quaint village in West Sussex, England.
There were no scenes of jubilation here, even though researchers had recently confirmed the village was once home to the president's third great-grandfather - the William Biden from the records of 1820.
A tale of two William Bidens
President Biden's English heritage has long been the source of debate and misdirection.
One prominent claim pointed to another William Biden, who was from Houghton, Cambridgeshire and served as a naval officer for the East India Company.
In 2013, during a trip to India, Mr Biden said he was made aware of a "great, great, great, something or other" who "worked for the East India Trading Company".
But records examined by Megan Smolenyak, an American genealogist, show this William Biden died in Myanmar, formerly Burma, in 1843.
The stonemason of Baltimore
Mr Greenfield said he began investigating the president's family tree after stumbling across an intriguing reference to an A Biden in Westbourne. Compelled by his fascination with American history, he pored through records of baptisms, marriages, and burials in the local council's archives.
The records showed that William Biden was christened in 1789 which, Mr Greenfield said, suggested he was born at about that time. He was the second child of James Biden and Ann Silverlock, who had married at Westbourne on 16 May 1785.
With these documents, Mr Greenfield managed to join the dots from William Biden all the way to the president. His confidence in this link, he said, was "as close to 100% as you can get without DNA confirmation".
The marriage certificate of William Biden's parents