▁early ▁ 1 1 th ▁century , ▁Bach ar ach ▁had ▁its ▁first ▁document ary ▁mention . ▁It ▁may ▁have ▁been ▁that ▁as ▁early ▁as ▁the ▁ 7 th ▁century , ▁the ▁king ly ▁domain ▁passed ▁into ▁Arch bishop ▁of ▁C ologne ▁K uni bert ’ s ▁ownership ; ▁pointing ▁to ▁this ▁is ▁a ▁K uni bert skap elle ▁( ch ap el ) ▁on ▁the ▁spot ▁where ▁now ▁stands ▁the ▁W ern erk ap elle . ▁The ▁V ög te ▁of ▁the ▁C ologne ▁estate ▁were ▁the ▁Elect or ▁of ▁the ▁Pal at inate , ▁who ▁over ▁time ▁pushed ▁back ▁C ologne ’ s ▁influence . ▁Count ▁Pal at ine ▁already ▁had ▁so ▁much ▁influence ▁that ▁he ▁res ided ▁at ▁St ah le ck ▁Castle . ▁His ▁successor ▁Kon rad ▁von ▁St auf en ’ s ▁daughter ▁secret ly ▁wed ▁at ▁St ah le ck ▁Castle ▁a ▁son ▁of ▁the ▁W elf s , ▁who ▁were ▁family ▁fo es , ▁leading ▁to ▁Bach ar ach ’ s , ▁and ▁indeed ▁the ▁whole ▁County ▁Pal at ine ’ s , ▁falling ▁for ▁a ▁short ▁time ▁to ▁Henry ▁of ▁Brun sw ick . ▁In ▁ 1 2 1 4 ▁the ▁W itt els bach s ▁became ▁Bach ar ach ’ s ▁new ▁l ords . ▁T ogether ▁with ▁the ▁Unter amt ▁of ▁Ka ub ▁they ▁received ▁here ▁their ▁most ▁important ▁to ll ▁and ▁re venue ▁source . ▁In ▁ 1 3 1 4 ▁it ▁was ▁decided ▁to ▁choose ▁Louis ▁the ▁Bav arian ▁as ▁the