He was married to Gisela Elisabeth Kordelia Maria Charlotte Maximiliane Rahel Josepha Gräfin von Kanitz (1873–1957), the daughter of Georg von Kanitz and Hélène Boniface Pauline Luise Gräfin von Hatzfeld zu Trachenberg.
Her maternal grandparents were Pauline de Castellane and Count Max von Hatzfeld, who spent ten years from 1849 to 1859 as the German Minister to France and who signed the Treaty of Paris in 1856 which ended the Crimean War.
 After her grandfather's death, her grandmother remarried to Louis de Talleyrand-Périgord, duc de Valençay, 3rd duc de Talleyrand-Périgord.
Her aunt Margarete was the wife of the Ambassador Anton Saurma von der Jeltsch.

Count von Pourtalès died on 3 May 1928 at Bad Nauheim, Germany.
He was married to Gisela Elisabeth Kordelia Maria Charlotte Maximiliane Rahel Josepha Gräfin von Kanitz (1873–1957), the daughter of Georg von Kanitz and Hélène Boniface Pauline Luise Gräfin von Hatzfeld zu Trachenberg. Her maternal grandparents were Pauline de Castellane and Count Max von Hatzfeld, who spent ten years from 1849 to 1859 as the German Minister to France and who signed the Treaty of Paris in 1856 which ended the Crimean War.  After her grandfather's death, her grandmother remarried to Louis de Talleyrand-Périgord, duc de Valençay, 3rd duc de Talleyrand-Périgord. Her aunt Margarete was the wife of the Ambassador Anton Saurma von der Jeltsch.
Count von Pourtalès died on 3 May 1928 at Bad Nauheim, Germany.
Friedrich von Pourtalès