Henry VI, Holy Roman Emperor

Henry VI (German: Heinrich VI.; November 1165 – 28 September 1197), a member of the Hohenstaufen dynasty, was King of Germany (King of the Romans) from 1169 and Holy Roman Emperor from 1191 until his death. From 1194 he was also King of Sicily as the husband and co-ruler of Queen Constance I.

Conrad II, Margrave of Lusatia

Margrave Conrad II of Lusatia, also known as Margrave Konrad II of Landsberg (before 1159 – 6 May 1210), was a member of the House of Wettin. He was Count of Eilenburg and Margrave of Lusatia from 1190 until his death. From 1207, he was also Count of Groitz and Count of Sommerschenburg. He was a son of Margrave Dedi III and his wife, Matilda of Heinsberg, the heiress of Sommerschenburg.[1]

Henry I, Duke of Brabant

Henry I (Dutch: Hendrik, French: Henri; c. 1165 – 5 September 1235), named "The Courageous", was a member of the House of Reginar and first duke of Brabant from 1183/84 until his death.

Conrad of Wittelsbach

Conrad of Wittelsbach (c. 1120/1125 – 25 October 1200) was the Archbishop of Mainz (as Conrad I) and Archchancellor of Germany from 20 June 1161 to 1165 and again from 1183 to his death. He was also a cardinal of the Roman Catholic Church.

Wolfger von Erla

Wolfger von Erla, known in Italian as Volchero (c. 1140 – 23 January 1218), was the Bishop of Passau from 1191 until 1204 and Patriarch of Aquileia thereafter until his death.

He was renowned in his own time as a diplomat and peacemaker. He participated in the highest levels of the politics of the Holy Roman Empire, traveling frequently between Germany and Italy, where he served as imperial legate. He took part in the Crusade of 1197 and played a role in founding the Teutonic Knights.