Peter Klaus Koppel was born in Berlin (on the 21rst of December 1934). He was the son of Max Koppel from Goch and Herta neé Leyser from Veersen/Germany. The family emigrated to the Netherlands an lived in Helmont, am Steenweg 10a with a relative of Herta called Henrietta Cohn-Goldstein. Henriette co…