Otto I Von Salm
Otto I is no longer alive.

 Gertrud Von Northeim
Gertrud was born about 1091.  Gertrud is no longer alive.

 Sofie Von Rieneck
Sofie was born in 1117 in Rheineck, Rheinland, Prussia.  She died at the age of 59 on September 26th, 1176 in Jerusalem, Judah, Israel, Palestine.