0 9 3 ▁of ▁the ▁king ▁of ▁De he ub arth , ▁Rh ys ▁ap ▁T ew d wr , ▁in ▁the ▁Battle ▁of ▁Bre con , ▁the ▁Norm ans ▁took ▁advantage ▁of ▁the ▁lack ▁of ▁leadership ▁among ▁the ▁Wel sh , ▁and ▁Norman ▁forces ▁seized ▁much ▁of ▁South ▁Wales . ▁In ▁ 1 1 0 2 , ▁following ▁a ▁failed ▁revol t ▁by ▁many ▁of ▁these ▁Norm ans ▁against ▁King ▁Henry ▁I ▁of ▁England ▁( in ▁favour ▁of ▁Henry ' s ▁brother , ▁Robert ▁Cur th ose ), ▁the ▁King ▁re - organ ised ▁the ▁wider ▁region ▁surrounding ▁the ▁D aug led d au ▁Est u ary ▁and ▁Mil ford ▁H aven , ▁including ▁the ▁Pen f ro ▁pen ins ula , ▁as ▁a ▁single ▁Mar cher ▁Lord ship ▁of ▁P embro ke . ▁ ▁In ▁ 1 1 0 8 , ▁the ▁low - lying ▁land ▁of ▁Henry ' s ▁mother , ▁Fland ers , ▁suffered ▁cat ast roph ic ▁flo oding , ▁and ▁many ▁of ▁its ▁inhabitants F lem ings s ought ▁assistance ▁from ▁Henry . ▁Henry ▁offered ▁to ▁sett le ▁the ▁refuge es ▁in ▁the ▁hinter land ▁of ▁the ▁P embro ke ▁Lord ship ▁- ▁Ha ver ford ▁( the ▁west ▁of ▁the ▁D aug led d au ▁Est u ary ) ▁and ▁D ung led dy ▁( the ▁east ), ▁thus ▁supp lement ing ▁his ▁g arrison ▁at ▁P embro ke ▁Castle ▁with ▁a ▁comp li ant ▁and ▁grateful ▁local ▁popul ace ; ▁the ▁number ▁of ▁F lem