▁of ▁Im am ▁H uss ain ▁son ▁of ▁Im am ▁Ali ▁Bin ▁Ab i ▁Tal ib ▁and ▁the ▁son ▁of ▁F at im ah ▁the ▁daughter ▁of ▁the ▁Muhammad . ▁M embers ▁of ▁the ▁Al - M ū s aw i ▁family ▁are ▁called ▁with ▁the ▁title ▁Say ed ▁literally ▁means ▁M ister ▁or ▁Sir . ▁As ▁an ▁honor ific ▁title , ▁it ▁denotes ▁males ▁accepted ▁as ▁the ▁direct ▁descend ants ▁of ▁the ▁Muhammad . ▁M embers ▁can ▁be ▁both ▁Sh ia ▁and ▁Sun ni . ▁ ▁The ▁roots ▁of ▁the ▁Al - M ū s aw i ▁family ▁is ▁Arab ▁that ▁comes ▁from ▁the ▁Head ▁tribe ▁of ▁Ban u ▁Hash im , ▁a ▁cl an ▁of ▁Q ura ish , ▁which ▁makes ▁them ▁Ad n ani ▁Arab s ▁or ▁Northern ▁Arab s ▁who ▁are ▁origin ated ▁from ▁I bra him ▁through ▁his ▁son ▁I sh ma el ▁in ▁Mes op ot am ia , ▁now ▁Ira q , ▁in ▁the ▁ancient ▁city ▁of ▁Ur , ▁near ▁Nas ari y ah , ▁in ▁Southern ▁Ira q . ▁Many ▁Arab ▁tribes ▁trace ▁their ▁line age ▁through ▁Ad nan , ▁the ▁father ▁of ▁the ▁Arab s , ▁who ▁traces ▁his ▁line age ▁to ▁I sh ma el , ▁the ▁son ▁of ▁I bra him , ▁the ▁great - gre at - grand father ▁of ▁the ▁Ad n ani ▁Arab s . ▁ ▁Prom inent ▁members ▁Ab ul - Has an ▁Muhammad ▁ibn ▁Al - H us sein ▁Al - Mus aw i ▁" ash -