unknown wife of Frederick

1. FRIEDRICH (-after Jul 1027). The Tabula consanguinitatis Friderici I regis et Adelæ reginæ (which provided the basis for their divorce) records "Berta" and "Fridericus" as brother and sister, and their descendants[1533]. Graf 987. Graf im Sundergau 1003. m ---. The name of Friedrich's wife is not known. Graf Friedrich & his wife had one child:

a) FRIEDRICH von Büren (-[1068]). The Tabula consanguinitatis Friderici I regis et Adelæ reginæ (which provided the basis for their divorce) names "Fridericum de Buren" as son of "Fridericus", brother of "Berta"[1534]. Pfalzgraf von Schwaben 1053. He founded the convent of Lorch.