▁land ▁that ▁had ▁not ▁been ▁previously ▁cultiv ated , ▁probably ▁because ▁of ▁its ▁essentially ▁low ▁lying ▁bog gy ▁nature , ▁its ▁t endency ▁to ▁be ▁flo oded ▁and ▁the ▁relative ▁pover ty ▁of ▁its ▁sand y ▁soil . ▁The ▁current ▁leading ▁theory ▁is ▁that ▁of ▁Professor ▁Dr ▁Wolfgang ▁Me ib ey er , ▁who ▁bel ieves ▁that ▁all ▁the ▁Rund ling e ▁were ▁developed ▁at ▁more ▁or ▁less ▁the ▁same ▁time ▁in ▁the ▁ 1 2 th ▁century , ▁to ▁a ▁model ▁developed ▁by ▁the ▁then ▁German ic ▁nob ility ▁as ▁suitable ▁for ▁small ▁groups ▁of ▁mainly ▁S lav ic ▁farm - sett lers . ▁Whether ▁these ▁sett lers ▁were ▁there ▁by ▁choice , ▁by ▁con quest ▁or ▁by ▁forced ▁settlement ▁is ▁no ▁longer ▁known . ▁It ▁does ▁seem ▁to ▁have ▁happened ▁without ▁much ▁blood sh ed , ▁and ▁the ▁following ▁centuries ▁showed ▁a ▁living ▁together ▁of ▁Germ ans ▁and ▁S lav s . ▁This ▁eventually ▁led ▁to ▁an ▁assim ilation ▁and ▁event ual ▁disapp earance ▁of ▁the ▁S lav s ▁as ▁a ▁separate ▁eth nic ▁group ▁with ▁their ▁own ▁language , ▁Wend ish ▁( W end isch ) ▁or ▁Pol ab ian ▁( d rav än opol ab isch ), ▁which ▁is ▁the ▁language ▁used ▁for ▁the ▁majority ▁of ▁the ▁Rund ling ▁names , ▁and ▁still ▁to ▁this ▁day ▁for ▁certain ▁unusual ▁features ▁of ▁local ▁rural ▁architecture ▁and ▁land - use . ▁This ▁separate ▁S lav ic ▁language ▁did ▁however ▁remain ▁more ▁generally ▁in ▁use ▁in ▁the ▁region ▁of ▁Lü ch ow