In 1884, for instance, Henckel arranged a loan for Bismarck's old friend, Prince Orlov, at that time the Russian ambassador in Berlin.

[9] As an investor in the publishing company, in 1894 Henckel was unwillingly drawn into the dispute between the editor of Kladderadatsch and Geheimrat Friedrich von Holstein of the Foreign Office.

In a series of anonymous articles the journal had held up to ridicule Holstein, Alfred von Kiderlen-Wächter and Philipp zu Eulenburg.

Wilhelm II wisely refused to force Henckel to fight Holstein, for, years later, two junior officials of the Foreign Office asserted that they had been the authors of the Kladderadatsch articles.

[11] In the years preceding World War I Henckel was estimated to be the second-wealthiest German subject, his fortune exceeded only by that of Bertha Krupp von Bohlen und Halbach.

They had two children, Guido Otto Karl Lazarus (1888–1959) and Kraft Raul Paul Alfred Ludwig Guido (1890–1977) The prince commissioned a superb tiara for Princess Katharina, composed of 11 exceptionally rare Colombian emerald pear-shaped drops, which weigh over 500 carats and which are believed to have been in the Empress Eugénie's personal collection.

He expressed his long-standing support for a protective tariff on agricultural products as well as government encouragement of German manufacturing interests.

[15] Seeing through the military's glib propaganda and increasingly anxious about Germany's growing war debt,[16] Henckel von Donnersmarck died in Berlin in December 1916 at the age of 86.

Katharina Fürstin Henckel von Donnersmarck died at Koslowagora, today Kozłowa Góra, neighbourhood of Piekary Śląskie, in February 1929.

While many of the industrial methods pioneered by Prince Donnersmarck are still in use today, his most lasting legacy is his foundation in Berlin for people with disabilities.

the Board of the Foundation has been awarding the International Research Prize of the Fürst Donnersmarck-Foundation for scientific advances made in neurological rehabilitation.