Irmingard of Henneberg was the daughter of Berthold I of Henneberg and Bertha of Putelendorf. She was born between 1134 and 1136. She was the older sister of Poppo VI von Henneberg (1140-1191), Lukardis von Henneberg (1142-1220), and Otto IV Count of Henneberg (1144-1212).

Irmingard married Conrad, Count Palatine of the Rhine on 1160. She and Conrad had the following children.

• Agnes of Hohenstaufen, 1176-1204; married Henry V, Count Palatine of the Rhine
• Friedrich, stillborn son^[1]

Irmingard died of unknown causes in 1197 at the age of 61-63. Her burial place is unknown.^{[citation needed]}

• "Irmingard of Henneberg", FamilySearch