It was erected in 1160 under Christian I ( Archbishop of Mainz ) .
Scharfenstein Castle ( German : Burg Scharfenstein ) , a ruined castle near the town of Kiedrich in Hesse , Germany , was part of the Bishopric of Mainz 's border fortifications .
Scharfenstein Castle was erected in 1160 under Christian I ( Archbishop of Mainz ) .
Scharfenstein Castle ( German : Burg Scharfenstein ) , a ruined castle near the town of Kiedrich in Hesse , Germany , was part of the Bishopric of Mainz 's border fortifications .