Benigna, Prinzessin Biron von Curland is a 8th cousin of Johann Christoph von Twickel.
Indeed, Johann Friedrich, Graf von Leiningen and Katharina, Markgräfin von Baden-Durlach are at the same time
ancestors of the 9th generation of Johann Christoph von Twickel
ancestors of the 9th generation of Benigna, Prinzessin Biron von Curland
Charlotte de Croÿ is a daughter of a 6th cousin of Johann Christoph von Twickel.
Indeed, Franz Wilhelm Wolff Metternich zur Gracht and Sophia Maria von der Asseburg are at the same time
ancestors of the 7th generation of Johann Christoph von Twickel
ancestors of the 8th generation of Charlotte de Croÿ