German dynasty that ruled the Holy Roman Empire (1138 – 1208, 1212 – 54). It was founded by Count Frederick (died 1105), who built Staufen Castle and was appointed duke of Swabia as Frederick I (1079). Hohenstaufen emperors included
Frederick I Barbarossa (r. 1155 – 90),
Henry VI (r.1191 – 97), and
Frederick II (r.1220 – 50). The dynasty continued the struggle with the papacy begun under their predecessors.
See also Guelphs and Ghibellines.
For more information on Hohenstaufen dynasty, visit Britannica.com.