The prince Prince Friso died at the age of 44. Here is all you want to know, and more!
Biography - A Short Wiki
Former member of the Dutch Royal Family and younger brother of King Willem-Alexander of the Netherlands. He was the second son of Queen Beatrix and Prince Claus as well as the grandson of Queen Juliana of the Netherlands and Prince Bernhard.
He was married to Mabel Wisse Smit from 2004 to his death. He and Mabel had two daughters together, Emma Luana and Joanna Zaria.