(53°33'19"N 9°58'34"E). In 1951, Sieveking was appointed as the consul in Stockholm and later ambassador in Sweden. In 1953, Sieveking was the candidate of the
Margaretha Sieveking, the daughter of the physician, natural historian and economist Johann Albert Heinrich Reimarus. Their son, Karl Sieveking, was a Syndicus
merchant Georg Heinrich Sieveking, he was originally intended to become a merchant as well. His mother, Johanna Margaretha Sieveking, was the daughter of