like other members of the radziwiłłs family, he couldn't escape the political ambitions of his family, and when needed, he would support it. he successfully campaigned for a royal pardon for his cousin janusz, one of the organisers of the confederation's rokosz (rebellion). however, he also refused to support the krzysztof 'piorun' radziwiłł, whose conflict with another powerful family threatened to plunge the grand duchy into a civil war.