Note 214 — APPENDIX B CORRESPONDENCE BETWEEN PRINCESS SOPHIA DOROTHEA AND COUNT KÖNIGSMARCK IN THE ROYAL SECRET ARCHIVES OF STATE AT BERLIN (continued 2)
Reading edition
The Landgrave is no doubt Landgrave Charles of Hesse-Cassel, of whom the Duchess of Orleans speaks as her cousin. His mother, the Landgravine Hedwig Sophia, was a daughter of the Elector George William of Brandenburg and his wife Elizabeth Charlotte, sister of the Elector Palatine Frederick V.