Johannes Baron Gross von Trockau (born 1941) (b. 1941) Parents Otto Philipp Baron Gross von Trockau Maria Ernestine Karoline Sophia Prinzessin von Schönburg-Hartenstein Children Marie Sophie Baronin Gross von Trockau Siblings Benedikta Baronin Gross von Trockau Partners Marie-Caroline Agnes Immaculata Theresa Gräfin von Spee