King Charles XI of Sweden - a historical anecdote

Karl was mentioned in a publication from 1877 called Encyclopedia of Wit and Wisdom: A Collection of Over Nine Thousand Anecdotes, and Illustrations of Life, Character, Humor and Pathos By David McKay Page 968-971. It is a story of a vision he had of the future during his period of mourning of his wife Ulrica and mentions a signed document by 4 witnesses. The prophecy being about the fall of the house of Vasa and the death of his heir King Gustavus Adolphus IV. The address of a readable copy online which is on Google Books is here; https://books.google.com/books/about/Encyclopedia_of_Wit_and_Wisdom...