ouses , ▁and ▁the ▁requirement ▁to ▁provide ▁fully ▁for ▁each ▁as ▁indicated ▁in ▁previously ▁c ited ▁sources , ▁went ▁further : ▁" He ▁may ▁not , ▁however , ▁comp el ▁his ▁w ives ▁to ▁live ▁in ▁the ▁same ▁cour ty ard . ▁Instead , ▁each ▁one ▁is ▁entitled ▁to ▁her ▁own ▁household ". ▁ ▁The ▁Sh ul chan ▁A ru ch ▁builds ▁on ▁all ▁of ▁the ▁previous ▁works ▁by ▁adding ▁further ▁nu ances : ▁"... but ▁in ▁any ▁event , ▁our ▁s ages ▁have ▁ad vised ▁well ▁not ▁to ▁marry ▁more ▁than ▁four ▁w ives , ▁in ▁order ▁that ▁he ▁can ▁meet ▁their ▁conjug al ▁needs ▁at ▁least ▁once ▁a ▁month . ▁And ▁in ▁a ▁place ▁where ▁it ▁is ▁custom ary ▁to ▁marry ▁only ▁one ▁wife , ▁he ▁is ▁not ▁permitted ▁to ▁take ▁another ▁wife ▁on ▁top ▁of ▁his ▁present ▁wife ." ▁As ▁can ▁be ▁seen , ▁while ▁the ▁tradition ▁of ▁the ▁rabb in ic ▁period ▁began ▁with ▁providing ▁legal ▁definition ▁for ▁the ▁practice ▁of ▁pol yg amy ▁( although ▁this ▁does ▁not ▁indicate ▁the ▁frequency ▁with ▁which ▁pol yg amy ▁in ▁fact ▁occurred ) ▁that ▁correspond ed ▁to ▁preced ents ▁in ▁the ▁Tan akh , ▁by ▁the ▁time ▁of ▁the ▁C od ices ▁the ▁rabb is ▁had ▁greatly ▁reduced ▁or ▁elimin ated ▁san ction ▁of ▁the ▁practice . ▁ ▁Most ▁notable ▁in ▁the ▁rabb in ic ▁period ▁on ▁the ▁issue ▁of ▁pol yg amy , ▁though ▁more ▁specifically ▁for ▁Ash ken azi ▁Jews , ▁was ▁the ▁syn od ▁of ▁Rab be inu