 After his death the chapter became involved in a conflict with Siestrzencewicz, the Catholic Metropolitan of Saint Petersburg, who usurped rights exclusively belonging to the Holy See.Siestrzencewicz forced upon the chapter, as administrator of the diocese, Geronimo Strojonowski (1808–1815), upon whose death he arrogated to himself the government of the diocese with the title of primate of Lithuania.In 1827, after Siestrzencewicz's death, the vicar capitular, Milucki, ruled the diocese for a short time.