Premise: The Altenburg is located in the Jenaer street which lies just outside of Weimar's city centre beyond the Ilm park. It was built in 1810-1811 and during the years following 1848, Princess Carolyne of Sayn Wittgenstein and her husband, Franz Liszt, lived there.
Hypothesis: Thirty-sever years after completion, Princess Carolyne of Sayn Wittgenstein moved in.