Lj , you seems right Lady Patricia wore the brooch on her wedding day and gave it to Queen Margarethe II (18th birthday). We discussed before Princess Benedicte's brooch is a different one.
--Previous Message-- : Can anyone identify the brooch the Duchess of : Connaught is wearing at her throat in this : picture? : : : http://www.npg.org.uk/collections/search/portraitLarge/mw146058/The-Duke-and-Duchess-of-Connaught-with-their-children : : Could it be the one given to Queen Margrethe : on her 18th birthday by Princess Patricia of : Connaught. Or perhaps its Princess : Benedikte's which has just recently been : identified as previously belonging to : Princess Margaret of Connaught. :