Explain who was attacked in Germany, during the first Crusade

The First Crusade (1095-1099) was the first of a number of crusades that attempted to capture the Holy Land, called by Pope Urban II in 1095 ... The Crusaders arrived at Jerusalem, launched an assault on the city, and captured it in July 1099, massacring many of the city's Muslim and Jewish inhabitants.

The Jews were attacked in Germany.