▁to ▁first ▁sons ▁than ▁the ▁D ag or ▁Mong ols . ▁ ▁Among ▁Arab ▁pe op les , ▁such ▁as ▁the ▁Egypt ian ▁F ella hin , ▁all ▁sons ▁inherited ▁the ▁same ▁and ▁had ▁the ▁same ▁wealth . ▁This ▁was ▁also ▁seen ▁among ▁the ▁Al aska ▁Native ▁pe op les ▁such ▁as ▁the ▁E y ak . ▁ ▁Jack ▁Go ody ▁was ▁an ▁influ ential ▁anth rop ologist ▁during ▁the ▁tw enti eth ▁century . ▁However , ▁his ▁theories ▁have ▁been ▁mostly ▁rejected ▁during ▁the ▁last ▁dec ades . ▁He ▁made ▁a ▁distinction ▁between ▁a ▁complete ▁and ▁a ▁prefer ential ▁form ▁of ▁prim ogen iture ▁and ▁ult im ogen iture . ▁In ▁the ▁complete ▁form ▁of ▁both ▁custom s , ▁the ▁rest ▁of ▁the ▁children ▁are ▁ex cluded ▁from ▁the ▁inheritance . ▁However , ▁in ▁the ▁prefer ential ▁form ▁of ▁prim ogen iture , ▁the ▁el dest ▁son ▁acts ▁as ▁cust od ian ▁of ▁the ▁father ' s ▁rights ▁on ▁beh alf ▁of ▁his ▁brothers . ▁In ▁the ▁prefer ential ▁form ▁of ▁ult im ogen iture , ▁the ▁young est ▁son ▁inher its ▁the ▁resid ue ▁of ▁his ▁father ' s ▁property ▁after ▁elder ▁sons ▁have ▁received ▁their ▁shares ▁during ▁the ▁father ' s ▁lifetime . ▁Go ody ▁called ▁ult im ogen iture ▁" B or ough ▁English " ▁and ▁prim ogen iture ▁" B or ough ▁French " ▁because ▁in ▁England ▁ult im ogen iture ▁was ▁a ▁native ▁custom , ▁while ▁prim ogen iture ▁was ▁a ▁custom ▁brought ▁by ▁the ▁Norman ▁inv