Edelherr Konrad I von Everstein

Not the same family as that of the Eberstein family.

D h e G r a f e E v e r s t e i n 2) belonged to a family whose origins are not known. The 3) family tradition of descent from the Swabian count house of this name, first proven in the 14th century, is not supported by any proving facts in our tradition. What is certain, however, is their relationship with the Eversteiners, who were wealthy in the Vogtland region and whose possessions later became fiefs from our counts.
first in 1122 as the first of his name, but without the g r a f e t i t e l. The document from 1113 communicated by Spilker under No. 5, in which Count Konrad and his family donated goods to the Corvey monastery in Stahle, is apparently a forgery 1). Konrad von Everstein always appears in the lists of witnesses among the noble free (homines liberi seu nobiles), not among the counts. The first Eversteiner who demonstrably held the title of count 2) was Albrecht,

Not the same family as that of the Everstein. Eberstein were Schwabischen nobility
De Eberstein: 'The Counts of Eberstein were a Swabian noble family that resided from 1085 to the 13th century in the castle known today as Alt-Eberstein near today's Baden-Baden district of Ebersteinburg and then until the male line of the family died out in 1660, on Neu Eberstein near Gernsbach. They founded several towns and monasteries and turned the previously sparsely populated Murg Valley into a flourishing kingdom. However, squeezed between the increasingly important dominions of Baden and Württemberg, they had to constantly fight against decline. The possessions fell to Baden, the Bishopric of Speyer and Württemberg.

Konrad I. von Everstein (vor 1120–1128) ⚭ Mechthild von Itter, Tochter Gumberts von Warburg oder dessen Bruders Rembold von Canstein und der Gräfin Gepa von Arnsberg-Werl, später bekannt als Gepa von Itter

https://finnholbek.dk/getperson.php?personID=I28250&tree=2

http://de.wikipedia.org/wiki/Everstein_(Adelsgeschlecht)

• Begründete das zweites Haus Itter.
• Graf von Everstein 1120-1128.

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The parents of Konrad appear not to be known.

See http://de.wikipedia.org/wiki/Everstein_%28Adelsgeschlecht%29

https://finnholbek.dk/getperson.php?personID=I28250&tree=2

https://de.wikipedia.org/wiki/Everstein_%28Adelsgeschlecht%29#Wappen