▁portion ▁in ▁his ▁mother ' s ▁estate . ▁The ▁M ish nah ▁taught ▁that ▁they ▁dis reg arded ▁a ▁father ▁who ▁said , ▁" My ▁first born ▁son ▁shall ▁not ▁inherit ▁a ▁double ▁portion ," ▁or ▁" My ▁son ▁shall ▁not ▁inherit ▁with ▁his ▁brothers ," ▁because ▁the ▁father ' s ▁st ip ulation ▁would ▁be ▁contrary ▁to ▁ ▁But ▁a ▁father ▁could ▁dist ribute ▁his ▁property ▁as ▁g ifts ▁during ▁his ▁lifetime ▁so ▁that ▁one ▁son ▁received ▁more ▁than ▁another , ▁or ▁so ▁that ▁the ▁first born ▁received ▁merely ▁an ▁equal ▁share , ▁so ▁long ▁as ▁the ▁father ▁did ▁not ▁try ▁to ▁make ▁these ▁convey ances ▁as ▁an ▁inheritance ▁upon ▁his ▁death . ▁ ▁The ▁Gem ara ▁rec ount ed ▁a ▁discussion ▁regarding ▁the ▁right ▁of ▁the ▁first born ▁in ▁ ▁Once ▁Rab bi ▁J ann ai ▁was ▁walking , ▁lean ing ▁on ▁the ▁shoulder ▁of ▁Rab bi ▁Sim la i ▁his ▁att endant , ▁and ▁Rab bi ▁Jud ah ▁the ▁Prince ▁came ▁to ▁meet ▁them . ▁Rab bi ▁Jud ah ▁the ▁Prince ▁asked ▁Rab bi ▁J ann ai ▁what ▁the ▁Script ural ▁basis ▁was ▁for ▁the ▁proposition ▁that ▁a ▁son ▁takes ▁preced ence ▁over ▁a ▁daughter ▁in ▁the ▁inheritance ▁of ▁a ▁mother ' s ▁estate . ▁Rab bi ▁J ann ai ▁replied ▁that ▁the ▁pl ural ▁use ▁of ▁the ▁term ▁" t rib es " ▁in ▁the ▁discussion ▁of ▁the ▁inheritance ▁of ▁the ▁daughters ▁of ▁Zel ophe had ▁in ▁ ▁indicates ▁that ▁the ▁mother ' s ▁tribe ▁is ▁to ▁be ▁compared