Landolt [Lancelin], Graf von Altenburg

EBERHARD [III] . Graf im Thurgau 957/971. m --- . The name of Eberhard's wife is not known. Graf Eberhard [III] & his wife had one child:https://fmg.ac/Projects/MedLands/SWABIAN%20NOBILITY.htm#_Toc514513192

a) LIUTGARD. The primary source which confirms her parentage has not yet been identified. The Liber Vitæ of Einsiedeln records the donation made in Jan by “comes Lantoldus et Lutgardis uxor eius”[621]. m LANDOLT [Lancelin] Graf von Altenburg, son of GUNTRAM "der Reiche" Graf im Breisgau & his wife --- (-991). https://fmg.ac/Projects/MedLands/SWABIAN%20NOBILITY.htm#_Toc514513192