▁her ▁mother ▁was ▁I da ▁of ▁El th orp ▁( An n ales ▁Stad enses ▁record ▁that ▁" R ik enc en , ▁fil ie ▁Ide ▁de ▁El th ro pe " ▁is ▁wife ▁of ▁" comes ▁E il m ari ▁de ▁Ald enburg ". ▁Ann ales ▁Stad enses ▁describe ▁that ▁I da ▁is ▁a ▁noble w oman ▁of ▁Sw ab ian ▁birth ▁and ▁that ▁I da ' s ▁father ▁is ▁brother ▁of ▁Emperor ▁Henry ▁III ▁and ▁I da ' s ▁mother ▁is ▁sister ▁of ▁Pope ▁Leo ▁IX ▁( wh ose ▁sec ular ▁name ▁is ▁Bruno ). ▁ ▁The ▁name ▁of ▁El imar ▁is ▁found ▁in ▁a ▁char ter ▁d ating ▁from ▁ 1 1 0 8 . ▁His ▁wife ▁claimed ▁that ▁he ▁was ▁desc ended ▁from ▁W itte kind , ▁a ▁notable ▁def ender ▁of ▁the ▁Sax ons ▁and ▁the ▁chief ▁oppon ent ▁of ▁Char lemagne ▁during ▁the ▁Sax on ▁Wars ▁of ▁ 7 7 7 ▁to ▁ 7 8 5 , ▁but ▁there ▁is ▁no ▁further ▁evidence ▁for ▁this . ▁ ▁El imar ▁was ▁succeeded ▁by ▁his ▁son ▁El imar ▁II . ▁ ▁Leg acy ▁El imar ▁is ▁the ▁pat ril ine al ▁ancest or ▁of ▁the ▁House ▁of ▁Old enburg , ▁which ▁has ▁ruled ▁as ▁monarch s ▁of ▁Den mark ▁continu ously ▁since ▁ 1 4 4 8 , ▁and ▁also ▁as ▁counts , ▁du kes , ▁k ings , ▁or ▁em per ors ▁of ▁Norway , ▁Sweden , ▁Russia , ▁Old enburg , ▁Schles wig - Hol stein ,