ORDULF [Otto], son of BERNHARD II Duke in Saxony [Billung] & his wife Eilika von Schweinfurt ([1020]-28 Mar 1072, bur Lüneburg St Michaelis). The Annalista Saxo names "Odulfum ducem et Herimannum comitem" as the two sons of Duke Bernhard & his wife, when recording that he succeeded his father in 1059 as ORDULF Herzog von Sachsen[329]. The Chronica Principum Saxoniæ records the death in 1072 of "Ordolfus"[330]. The Annales Rosenveldenses records the death "V Kal Apr" of "Ordulfus dux Saxonum"[331]. The necrology of Lüneburg records the death "28 Mar" of "Ordulf dux pater M"[332].
m firstly (Nov 1042) ULFHILD Olavsdatter of Norway, daughter of OLAV II Haraldson King of Norway & his wife Astrid Olofsdottir of Sweden (-24 May 1071). Adam of Bremen records the betrothal of "soror Magni regis" and "Ordulfo ducis filio" at a meeting in Schleswig between Bernhard Duke of Saxony and Magnus King of Norway[333]. The Annalista Saxo names "Wifhildem…filiam Olaph Nortmannorum regis et martiris" as wife of Duke Ordulf[334]. Morkinskinna names "King Magnus…sister…Úlfhildr…daughter of King Óláfr" and records her marriage to "a powerful duke named Otto south in Saxony"[335]. The necrology of Lüneburg records the death "24 May" of "Wulfhild ductrix"[336].
m secondly (1071 after May) as her second husband, GERTRUD von Haldensleben, widow of FRIEDRICH [von Formbach], daughter of KONRAD Graf von Haldensleben [Nordmark] & his wife --- (-21 Feb 1116). According to the 14th century Genealogia comitum Neuburgensium sive Formbacensium, "Fridericus senioris Tiemonis filius" married "neptem ipsius regis Gertrudem", the king referred to being Heinrich IV King of Germany, and was buried at Formbach[337]. The primary source which confirms her precise parentage has not yet been identified. She was imprisoned at Mainz in 1076. The Annalista Saxo records the death in 1116 of "Gertrudis ductrix, avia Liuderi ducis"[338].