Born as daughter of Grafen Goswin der Ältere von Groß-Leinungen .

Marriage with Wiprecht I. von Groitzsch. Sigenas heritage where the towns Morungen and Gatersleben.

Birth of her first son Wiprecht II. von Groitzsch .
Her other children with Wiprecht where:
A son, Otto, who wents to Byzanz.
A son, Heinrich, who wents to Russia.
A daughter, who married Heinrich von Leinungen.
A daughter, who married Werner der Ältere von Veltheim. Theyr son was Archebishop Adelgot von Magdeburg (1107-1119).

After the death of her husband Sigena married Graf Friedrich II. von Burglengenfeld. With him she had a daughter who married Graf Ruotger von Veltheim.
After the death of her second husband she went to the Vitzeburg.

Sigena died in Vitzeburg and is buried there.