Harry von Arnim
Count Harry von Arnim was a German diplomat.
He was born at the Moitzelfitz estate in Pomerania. He was brought up by his uncle Heinrich von Arnim, who was Prussian ambassador at Paris and foreign minister in March 1848, while Count ArnimBoytzenburg, whose daughter Harry von Arnim afterwards married, was prime minister. Harry von Arnim studied law and entered the diplomatic service. After serving in some other posts, he was appointed ambassador to the Pope in 1864, and during the Vatican Council of 186970, as ambassador of the North German Confederation, supported the German bishops who opposed the dogma of infallibility. He was made a count in 1870, and during the next year took a prominent part in the negotiations preceding the Treaty of Frankfort.
Source: Wikipedia