Agnes married Friedrich II Duke Of SWABIA in 1135. Friedrich (son of Friedrich I Count Of HOHENSTAUFFEN, DUKE OF SWABIA & FRANCONIA and Agnes Imperial Princess Of The HOLY ROMAN EMPIRE, DUCHESS OF FRANCONIA) was born in 1090 in Of, Hohenstaufen, Swaben, Bavaria; died on 6 Apr 1147. [Group Sheet] [Family Chart]