sentences:  An exhaustive “letter of "Erbbestand"” still exists at the "Landeshauptarchiv Koblenz" (Koblenz Main State Archive).The holders of the "Erbbestand" changed often.Even if the Schönbornerhof had been put into "Erbbestand", it also time and again served the Counts of Grumbach as a temporary lodging and hunting seat.