Queen Margrethe of Denmark with her husband Prince Henrik and their sons Joachim and Frederik at Marselisborg Palace in Aarhus in 1972.
Prince Henrik of Denmark with Crown Prince Frederik during a holiday at Marselisborg Castle, Aarhus, Jutland, in 1972.
The Prince, pictured with his family, had been hospitalised since late January, after a tumor was found in his left lung.
One of the last pictures of Prince Henrik was taken as he attended the 18th birthday celebration of Prince Nikolai last August.
Prince Henrik of Denmark passed away aged 83, the Danish Palace has announced.
The Prince's son, Prince Frederik, was in South Korea for the Olympics and flew back home after his condition worsened.
Queen Margrethe, Prince Henrik, Crown Prince Frederik, Crown Princess Mary, Prince Christian, Princess Isabella, Prince Vincent, Princess Josephine, Prince Joachim, Princess Marie, Prince Nikolai, Prince Felix, Prince Henrik and Princess Athena attend the annual summer photo call for the Royal Danish family at Grasten Castle on July 24, 2014 in Grasten, Denmark.
Queen Elizabeth ll and Prince Philip, Duke of Edinburgh, pose with Queen Margarthe and Prince Henrik of Denmark during a visit to Denmark in May 1979.