"…Friderico comite eiusque fratribus, Gisilberto et Theoderico…" were among the witnesses of the testament dated 12 Nov 1036 left by "Adalbero…prepositus S Paulini Treuerensis, dominus de Ruscheio, de Serico, de Sarburch et de Berincastel", who was their paternal uncle. The primary source which confirms that Friedrich was the father of the three brothers has not yet been identified.
Graf von Salm: an exchange of property between the abbeys of St Maximin and Malmédy by charter dated 1035 is witnessed by "comes Gislebertus de Salmo". One version of the Genealogica Comitum Flandriæ names "...Gislebertus comes de Salinis" as one of the brothers of Ogive when recording her marriage. Gade speculates that Giselbert obtained Salm by marriage.
Referred to as "comes de castello Lucelinburg" and "Gilbertus Luceburgenses comes", he succeeded his brother in 1047 as Comte de [Luxembourg]. Gade states that he was "a wild, warlike man who seized every opportunity to increase his power", he seized land from the abbeys of Echternach and St Maximin, in the district of Köln and from Poppo Archbishop of Trier.
Vogt of St Maximin at Trier and of Echternach.
He was killed in an uprising in Italy. 2
Research Notes: