Article continues below advertisementMartin Short's daughter, Katherine, has devastatingly died by suicide. The 42-year-old took her own life with a self-inflicted gunshot wound. Katherine was the adopted daughter of Martin and Nancy Dolman - his late wife of 30 years who sadly died at age 58 after a long, private battle with ovarian cancer.The Los Angeles Police Department and fire department responded to Katherine's Hollywood Hills home on Monday, February 23, shortly after 9:40 p.m. ET, where she was found deceased, law enforcement sources told TMZ.