Britain's 3rd richest man the Duke of Westminster dies leaving £9.35 billion fortune to 25 year old son [photo]

Britain's third richest man, billionaire landowner the Duke of Westminster has died suddenly today aged 64.

Gerald Cavendish Grosvenor who died of a heart attack, passed away at the Royal Preston Hospital in Lancashire, a spokeswoman for the estate said.

According to the Sunday Times Rich List 2016 , the Duke was worth £9.35 billion, making him the third richest British national.He was also the 68th richest billionaire in the world.His tragic death means that his son Hugh will now inherit the entire estate, including the family seat in Cheshire, Eaton Hall, at the age of just 25.

His son and wife, Natalia