March 19, 1958
King Gustav VI Adolf of Sweden, King Frederik IX of Denmark, King Olav of Norway and King Baudouin of the Belgians attended the funeral earlier today of Princess Ingeborg of Sweden, reports Reuters.
Princess Ingeborg, once known as the 'mother-in-law' of Europe, died on March 12.
The four kings, with Queen Louise of Sweden and Queen Ingrid of Denmark, sat in the front row of the Great Church in Stockholm's royal palace, along with Princess Ingeborg's two surviving children, Prince Carl Bernadotte and Princess Margaretha of Denmark.
Other members of the Swedish, Norwegian and Danish royal families were also present for the funeral and for the burial at Haga Castle. The princess was buried in the royal family's burial ground.
Princess Ingeborg of Denmark married Prince Carl of Sweden in 1897. They had four children: Prince Carl, Princess Margaretha, who married Prinxe Axel of Denmark, Princess Martha (who married Crown Prince Olav of Norway), Princess Astrid (the wife of King Leopold III of the Belgians.