Princess Catherine Radziwi (1858-1941) was a Polish princess from the Polish-Lithuanian aristocratic Radziwi family. She was born as Countess Ekaterina Adamovna Rzewuska. She married Prince Wilhelm Radziwi at age 15 and moved to Berlin to live with his family. It was speculated that she was the author of a book gossiping about the German Emperor William II and Berlin society in 1884 under the pen name Paul Vasili. She stalked the English-born South African politician Cecil Rhodes and asked him to marry her, but he refused. She then got revenge by forging his name on a promissory note. She was