▁later ▁series , ▁all ▁the ▁family , ▁except ▁Frank ▁Gall ag her ▁( David ▁Th rel fall ), ▁are ▁aware ▁of ▁his ▁sexual ity . ▁However , ▁it ▁was ▁often ▁imp lied ▁Frank ▁knew ▁all ▁along ▁but ▁didn ' t ▁care ▁and ▁accepted ▁Ian ▁for ▁who ▁he ▁was . ▁ ▁Ian ▁often ▁ident ifies ▁as ▁gay , ▁having ▁various ▁relationships ▁with ▁older ▁men ▁throughout ▁the ▁first ▁four ▁or ▁five ▁series . ▁K ash ▁Kar ib ▁( Chr is ▁B isson ) ▁was ▁his ▁only ▁long - term ▁boy friend , ▁though ▁he ▁has ▁a ▁brief ▁relationship ▁with ▁Se an ▁Ben nett , ▁and ▁an ▁on going ▁friendship , ▁sometimes ▁sexual , ▁with ▁M icky ▁Mag u ire ▁( C iar án ▁Griff ith s ). ▁Because ▁he ▁is ▁una ware ▁of ▁his ▁parent age ▁at ▁the ▁time , ▁Ian ▁also ▁un know ingly ▁sle eps ▁with ▁his ▁half - bro ther . ▁Ian ▁sees ▁Se an ▁Ben nett ▁at ▁their ▁bi ological ▁father ' s ▁fun eral ▁and ▁later ▁tells ▁the ▁truth ▁to ▁Se an , ▁who ▁wants ▁to ▁keep ▁seeing ▁Ian , ▁but ▁eventually ▁agre es ▁that ▁they ▁can ▁not ▁ignore ▁their ▁famil ial ▁relationship . ▁Begin ning ▁in ▁the ▁fourth ▁series , ▁Ian ▁has ▁a ▁number ▁of ▁relationships ▁with ▁women . ▁He ▁repeatedly ▁has ▁sex ▁with ▁a ▁girl ▁he ▁is ▁briefly ▁hiding ▁in ▁his ▁home ▁for ▁her ▁protection , ▁but ▁when ▁she ▁asks ▁him ▁to ▁leave ▁with ▁her , ▁he ▁decl ines , ▁knowing ▁a ▁relationship ▁would ▁not ▁work . ▁He