Waddell Hancock, wife of the late A.B. "Bull" Hancock Jr. and mother of four children including Arthur Hancock III and Seth Hancock, died at her home at Claiborne Farm near Paris, Ky., Friday. She was 90.A cause of death has not been announced. Funeral arrangements are pending.A native of Nashville, Tenn., Waddell and "Bull" Hancock were married for 31 years prior to his death in 1972. "Bull" Hancock operated Claiborne Farm following the death of his father, A.B. Hancock Sr., in 1957.The 3,000-acre Claiborne Farm is owned by Hancock and three of her children: son Seth, who serves as the farm's president; and daughters Dell and Clay.Her elder son, Arthur III, is owner of Stone Farm near Paris.She is also survived by eight grandchildren.