he married ulrika fredrika ekström and became the father of one son and five daughters, who married into the noble families af ugglas, biörnstierna, von platen, d'otrante and rosenblad; he was the father of the composer maria fredrica von stedingk. during the seven years' war, while sweden was at war with prussia, the 13-year-old curt was an ensign in the personal regiment of the crown prince of sweden.