Het voorjaars nummer van 2021 bevat de volgende onderwerpen: J.Vovk, Hail and farewell, the funeral of the Duke of Edinburgh / Ilana D.Miller, The Princess of Reuss and their confounded numbering system / A.E. Beéche, The wedding of Count of Clermont and Duchess Marie Thérèse of Württemberg / Coryne Hall, Queen Frederica of Greece / Rick Hutto, The younger Prince Friedrich Leopold of Prussia / Obituary: Duchess Helene of Württemberg/ Book Reviews/Royal News.