Eleanor married Michael Korybut Wiśniowiecki (known as Michael I), King of the Polish-Lithuanian Commonwealth, on 27 February 1670 in the Jasna Góra Monastery.
Eleanor s-a căsătorit cu Michał Korybut Wiśniowiecki (cunoscut drept Mihail I), rege al Uniunii polono-lituaniană, la 27 februarie 1670 la mănăstirea Jasna Góra.