▁a ▁new ▁tower ▁that ▁had ▁been ▁built ▁over ▁the ▁previous ▁two ▁w ards ▁( today ▁the ▁so - called ▁upper ▁ba iley ) ▁and ▁two ▁lower ▁ba ile ys : ▁the ▁old ▁upper ▁( now ▁lower ▁ba iley ) ▁and ▁the ▁old ▁lower ▁ba iley . ▁ ▁Tim eline ▁▁ 1 1 2 4 ▁First ▁mention ▁of ▁Arch bishop ▁Kon rad ▁about ▁" W al deck ▁area " ▁. ▁▁ 1 2 4 2 ▁The ▁kn ights ▁Her i bert , ▁U do ▁( R ud olf ) ▁and ▁Win and ▁( Bo os ▁of ▁Wal deck ) ▁buy ▁the ▁rights ▁to ▁use ▁their ▁assets ▁from ▁the ▁Arch bishop ▁of ▁C ologne . ▁▁ 1 2 5 0 ▁Building ▁of ▁the ▁ba iley ▁by ▁Rudolf ▁Bo os ▁von ▁Wal deck . ▁▁ 1 3 2 5 ▁First ▁well - known ▁attempt ▁to ▁host ▁multiple ▁families ▁( co he irs ) ▁of ▁the ▁castle ▁was ▁reg ulated . ▁Bes ide ▁the ▁sex ▁of ▁the ▁Wal deck ers , ▁in ▁three ▁lines ▁( W inand sche , ▁Rudolf sche ▁and ▁Bo os ´ sche ▁( H eri bert ' s ) ▁line ) ▁were ▁also ▁the ▁families ▁of ▁Hart win ▁von ▁Win ningen , ▁Met z , ▁Sab ers hausen ▁( since ▁ 1 3 9 8 ). ▁▁ 1 3 3 1 - 3 6 ▁The ▁kn ights ▁of ▁the ▁cast les ▁El tz ▁and ▁Bo os - W al deck ▁set ▁up ▁a ▁resistance ▁force ▁of ▁ 5 0 ▁kn ights ▁against ▁the