Vichai Srivaddhanaprabha, the Thai billionaire owner of Leicester City feared dead after his helicopter crashed outside the Premier League club's stadium on Saturday, is the author of one of football's greatest fairytales.
Britain's Prince William, president of the English Football Association, said he had known Vichai for several years.
"Everyone at the Club has been truly touched by the remarkable response of the football family, whose thoughtful messages of support and solidarity have been deeply appreciated at this hard time", the statement said.
"When you signed me back in 2011 you said to me we would be in the Champions League within six years and we would do great things".
Srivaddhanaprabha, who bought Leicester City in 2010, is hugely popular at the club having funded the Foxes through their fairy tale Premier League success in 2015-16, when they were 5,000-1 to win the title at the start of the season.
While many foreign owners have been viewed with suspicion by their English club's fans - for reasons such as a lack of respect for supporters or their club's traditions - Vichai was held in the highest regard by the Leicester faithful.
Srivaddhanaprabha, 61, died when his helicopter spiralled out of control into a staff vehicle park shortly after taking off from the King Power Stadium after Leicester's 1-1 draw with West Ham on Saturday.
Police said Mr Swaffer was at the controls when the aircraft crashed, with witnesses hailing him as a hero for guiding the spinning helicopter away from crowds on the ground. "A man of kindness, of generosity and a man whose life was defined by the love he devoted to his family and those he so successfully led".
Air accident investigators also on Monday said they had recovered the helicopter's digital flight data recorder, which was subject to "intense heat" in a fire after the crash.
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"Thoughts are with everyone at Leicester City".
Leicester's first team fixture against Southampton tomorrow, and a development squad fixture against Feyenoord, have both been postponed until further notice.
The tragedy is being described as the "darkest day" in Leicester City's history and mourners began laying wreaths near the stadium on Sunday morning.
'It is hard to put into words how much you meant to this football club and to the city of Leicester, ' he said.
Members of the public have left flowers, flags and football scarves outside the grounds, along with an image of Ganesh - a god traditionally depicted in temples in Thailand.
The family's empire also includes Belgian football club, Oud-Heverlee Leuven.
"The AAIB is now leading an investigation to establish the exact circumstances surrounding the crash and investigators will remain at the scene to complete their initial enquiries".
During his stewardship of the club, he also donated £2m to the Leicester Children's Hospital charity, £1m to the Foxes Foundation for community causes and £1m to Leicester University's medical department.