Background
Her mother was a Heilika of Swabia the daughter of Duke Frederick I of Swabia and his wife, Agnes of Germany. So, she was a granddaughter of Emperor Henry IV.
Her mother was a Heilika of Swabia the daughter of Duke Frederick I of Swabia and his wife, Agnes of Germany. So, she was a granddaughter of Emperor Henry IV.
She was one of the two daughters of the edelfrei Lord Frederick III of Pettendorf-Lengenfeld-Hopfenohe, who died between 1112 and 1119 without a male heir. In 1124, he moved his residence from Scheyern Castle to Wittelsbach Castle in Aichach. Otto and Heilike had eight children:
Herman
Otto, nicknamed "the Redhead" (c 1117-1183), succeeded his father as Count Otto VIII of Scheyern, Count Otto V of Wittelsbach and Count Palatine Otto VI of Bavaria.
In 1180, after the fall of Henry the Lion, Emperor Frederick I "Barbarossa" enfeoffed Otto the Redhead with the Duchy of Bavaria.
From then on, he called himself Otto I of Bavaria. The Wittelsbach dynasty would retain the duchy from 1180 until 1918.
Conrad, Archbishop of Mainz as Conrad III and Archbishop of Salzburg as Conrad I
Frederick II, (d 1198 or 1199), married in 1184 to a daughter of Count Mangold of Donauwörth
Udalrich (d 29 May 1179)
Otto VII (d 1189), married Benedicta, also a daughter of Count Mangold of Donauwörth
Hedwig (c 1117 – 16 July 1174), married in 1135 to Count Berthold (c 1112 – 14 December 1188), who in 1151 became Duke Berthold III of Merania, Margrave Berthold I of Istria and Count Berthold III of Andechs. In 1157, he also became Count of Dießen-Wolfratshausen.
Adelaide, married Otto II of Stefling
Heilika"s sister Heilwig was married to Count Gebhard I of Leuchtenberg and brought the Lordship of Waldeck into the marriage.
Heilika died on 14 September 1170 and was buried in Ensdorf Abbey.
