Terpene October 14, 2016October 24, 2016 thcscience_admin Count of Isenberg-Covern Gerlach II of Isenburg-Covern was the Count of Isenburg-Covern from 1158 until 1217. Preceded byGerlach I of Isenburg-Limburg-Covern Count of Isenburg-Covern 1158–1217 Succeeded byGerlach III References[edit]