The genealogies do not agree on Cynegils' pedigree: his father is variously given as Ceola, Ceolwulf, Ceol, Cuthwine, Cutha or Cuthwulf.
Genealoogid ei nõustu Cynegilse sugupuuga: tema isa on erievalt antud kui Ceola, Ceolwulf, Ceol, Cuthwine, Cutha või Cuthwulf.