Original sentence: In 1977 Brett married American PBS producer Joan Wilson, and the pair shared, as Brett described it, "...an amazing love.Jeremy Brett's  second wife, Joan Wilson, died of cancer on 4 July 1985  shortly after Brett finished filming Holmes’ "death" in "The Final Problem"
Edited sentence: In 1977 Brett married American PBS producer Joan Sullivan, and the pair shared, as Brett described it, "...an amazing love.Jeremy Brett's  second wife, Joan Sullivan, died of cancer on 4 July 1985  shortly after Brett finished filming Holmes’ "death" in "The Final Problem"