Martina, Princess Hedwige is daughter of Jean Charles de Ligne Tremoille and Maria del Rosario de Lambertye- Gerbeviller.
She is the Aunt of Edouard de Ligne Tremoille who married Isabelle Orsini (Holemans modern tiara)
Princess Wanda is daughter of Prince Albert de Ligne (1912-1963)former Head of the House) (main Branch) and Leontine Lambertye-Gerbeviller. You are right and Princess Wanda wore her Mother's turquoise tiara.
--Previous Message-- : I'm not sure if my information is correct, but : isn't Prince Albert de Ligne the father of : Princess Wanda, the lady with the turquoise : tiara? : : I think the parents of Princess Hedwige are : Prince Jean Charle and Maria del Rosario de : Lambertye-Gerbeviller. I think that their : younger daughter Nathalie may have worn the : same tiara, but I have only seen a very : blurred picture. : :