The Margravial Opera House is a Baroque opera house in the town of Bayreuth, Germany, built between 1744 and 1748 by Joseph Saint-Pierre (de). It is one of Europe's few surviving theatres of the period and has been extensively restored. The interior was designed by Giuseppe Galli Bibiena and his son Carlo of Bologna in the late Baroque style.
Marquess / Marquis /Margrave / Landgrave A marquess (UK /ˈmɑːkwɪs/; French: marquis, /mɑrˈkiː/) is a nobleman of hereditary rank in various European peerages. In Great Britain and Ireland the title ranks below a duke and above an earl. A woman of rank, orwife of a marquess, is a marchioness /ˌmɑːrʃəˈnɛs/ in Great Britain and Ireland or a marquise /mɑrˈkiːz/. In Welsh: Ardalydd / Ardalyddes .
Philipp von Schwaben/Philip of Swabia; (August 1177-June 1208) was of the House of Hohenstaufen. He was elector Bishop of Würzburg in 1190 and 1191 (also Duke of the Franks), Margrave of Tuszia (Tuscany) from 1195 to 1197, Duke of Swabia from 1196 to 1208 and King of the Germans from 1198 to 1208. He was the first King of the Germans to be assassinated. (http://en.wikipedia.org/wiki/Philip_of_Swabia)