▁to ▁the ▁father ' s ▁tribe , ▁and ▁as ▁in ▁the ▁case ▁of ▁the ▁father ' s ▁tribe , ▁a ▁son ▁takes ▁preced ence ▁over ▁a ▁daughter , ▁so ▁in ▁the ▁case ▁of ▁the ▁mother ' s ▁tribe , ▁a ▁son ▁should ▁take ▁preced ence ▁over ▁a ▁daughter . ▁Rab bi ▁Jud ah ▁the ▁Prince ▁challeng ed ▁Rab bi ▁J ann ai , ▁saying ▁that ▁if ▁it ▁this ▁were ▁so , ▁one ▁could ▁say ▁that ▁as ▁in ▁the ▁case ▁of ▁the ▁father ' s ▁tribe , ▁a ▁first born ▁takes ▁a ▁double ▁portion , ▁so ▁in ▁the ▁case ▁of ▁the ▁mother ' s ▁tribe ▁would ▁a ▁first born ▁take ▁a ▁double ▁portion . ▁Rab bi ▁J ann ai ▁dismiss ed ▁the ▁remark ▁of ▁Rab bi ▁Jud ah ▁the ▁Prince . ▁The ▁Gem ara ▁then ▁in quired ▁why ▁it ▁is ▁true ▁that ▁a ▁first born ▁son ▁takes ▁a ▁double ▁share ▁in ▁his ▁father ' s ▁estate ▁but ▁not ▁his ▁mother ' s . ▁Ab aye ▁replied ▁that ▁ ▁says , ▁" of ▁all ▁that ▁he ▁[ the ▁father ] ▁has ," ▁imp lying ▁all ▁that ▁" he " ▁( the ▁father ) ▁has ▁and ▁not ▁all ▁that ▁" she " ▁( the ▁mother ) ▁has . ▁The ▁Gem ara ▁asked ▁whether ▁the ▁proposition ▁that ▁a ▁first born ▁son ▁takes ▁a ▁double ▁portion ▁only ▁in ▁the ▁estate ▁of ▁his ▁father ▁might ▁apply ▁only ▁in ▁the ▁case ▁where ▁a ▁b ach elor ▁married ▁a ▁wid ow ▁( who ▁had ▁children ▁from ▁her ▁first ▁marriage , ▁and