Prince Rainier III of Monaco, the world’s second-longest reigning monarch, remains in the intensive care unit for the third day after the complications after the chest infection.

The Prince’s condition was described as «stable» in a medical bulletin issued Wednesday.

Rainier was visited by his three children from the movie-star Grace Kelly whom he married in 1956 and who died in a car crash in 1982. Crown Prince Albert, 47, his heir, came from abroad to visit his father, Princess Caroline, 48, also visited Rainier, Princess Stephanie, 40, was seen entering and leaving the hospital.

Albert, who is not married, was allowed to succeed his father in 2002 by Monaco’s Constitution although he lacked heirs to become Crown Prince.

Rainier, 81, assumed the throne in 1949 after his grandfather died in 1949. Princess Charlotte, his mother, renounced her claim to the throne in favor of Rainier. He is one of the leaders in reigning.

Rainier III did his best to turn the tiniest country in Europe into the cosy place for rich.