Princess Ragnhild, Mrs. Lorentzen was the older sister of which second daughter of King Olav V?
Princess Ragnhild, Mrs. Lorentzen:  She was the older sister of King Harald V and Princess Astrid. Princess Astrid, Mrs. Ferner: Princess Astrid, Mrs. Ferner (Astrid Maud Ingeborg; born 12 February 1932 in Oslo, Norway) is the second daughter of King Olav V of Norway and his wife, Princess Märtha of Sweden.
Princess Astrid, Mrs. Ferner