, ▁Williams ▁appeared ▁in ▁Mel vin ▁Van ▁Pe eb les ' ▁acc laimed ▁off - B road way ▁musical ▁" A in ' t ▁Supp osed ▁to ▁Die ▁a ▁Natural ▁Death ." ▁One ▁of ▁Williams ' ▁co - st ars ▁in ▁the ▁production ▁was ▁actress ▁Gl oria ▁Edwards ▁who ▁would ▁later ▁become ▁his ▁wife . ▁ ▁Awards ▁and ▁nomin ations ▁Williams ▁won ▁the ▁ 1 9 7 4 ▁D rama ▁Des k ▁Award ▁for ▁his ▁performance ▁in ▁What ▁the ▁W ine - S ellers ▁Bu y , ▁for ▁which ▁he ▁was ▁also ▁nominated ▁for ▁a ▁Tony ▁Award , ▁and ▁was ▁nominated ▁in ▁ 1 9 7 5 ▁for ▁both ▁a ▁Tony ▁and ▁a ▁D rama ▁Des k ▁Award ▁for ▁his ▁performance ▁in ▁Black ▁Picture ▁Show . ▁ ▁Personal ▁and ▁Death ▁Williams ▁was ▁married ▁once ▁and ▁had ▁three ▁children . ▁In ▁ 1 9 7 4 , ▁he ▁married ▁actress ▁Gl oria ▁Edwards ▁and ▁together ▁they ▁had ▁two ▁children ; ▁Jason ▁Edward ▁Williams ▁and ▁Mik ah ▁La uren ▁Williams . ▁Williams ▁had ▁a ▁daughter , ▁Mon a ▁from ▁a ▁previous ▁relationship . ▁Williams ▁and ▁Edwards ▁were ▁married ▁until ▁Edwards ▁death ▁in ▁ 1 9 8 8 . ▁Williams ▁died ▁of ▁cancer ▁on ▁February ▁ 1 6 , ▁ 2 0 1 2 ▁at ▁Valley ▁Pres by ter ian ▁Hospital ▁in ▁Van ▁Nu ys , ▁California . ▁ ▁Selected ▁film ography ▁ ▁U pt ight ▁( 1 9 6 8 ) ▁– ▁Cor bin ▁The ▁Lost ▁Man ▁( 1 9 6 9 ) ▁– ▁Ron