u ▁life : ▁one ▁man ▁was ▁known ▁to ▁have ▁ 2 9 ▁w ives , ▁a ▁record ▁exceed ▁only ▁by ▁pol yg am ous ▁arrang ements ▁among ▁the ▁Ti wi . ▁ ▁A void ance ▁relationships ▁As ▁with ▁nearly ▁all ▁Ab original ▁groups , ▁avoid ance ▁relationships ▁exist ▁in ▁Y ol ng u ▁culture ▁between ▁certain ▁relations . ▁The ▁two ▁main ▁avoid ance ▁relationships ▁are : ▁son - in - law ▁– ▁mother - in - law ▁brother ▁– ▁sister ▁ ▁Bro ther – s ister ▁avoid ance , ▁called ▁mir ri ri , ▁normally ▁begins ▁after ▁init iation . ▁In ▁avoid ance ▁relationships , ▁people ▁do ▁not ▁speak ▁directly ▁or ▁look ▁at ▁one ▁another , ▁and ▁try ▁to ▁avoid ▁being ▁in ▁too ▁close ▁proxim ity ▁with ▁each ▁other . ▁People ▁are ▁avoided , ▁but ▁respect ed . ▁ ▁Y ol ŋ u ▁culture , ▁law ▁and ▁myth ology ▁ ▁Law ▁The ▁word ▁for ▁" law " ▁in ▁Y ol gnu ▁is ▁rom , ▁and ▁there ▁are ▁particular ▁cer emon ies ▁associated ▁with ▁Rom , ▁known ▁as ▁Rom ▁ceremony . ▁The ▁complete ▁system ▁of ▁Y ol ng u ▁custom ary ▁law ▁is ▁known ▁as ▁N gar ra , ▁or ▁as ▁the ▁Ma ḏ ay in ▁( also ▁written ▁mad ay an ▁and ▁M ardi y hin ). ▁Ma ḏ ay in ▁emb od ies ▁the ▁rights ▁of ▁the ▁own ers ▁of ▁the ▁law , ▁or ▁citizens ▁( rom ▁wat angu ▁wal al ) ▁who ▁have ▁the ▁rights ▁and ▁respons ib ilities ▁for ▁this