Robert DONNISON's parents were

James DONNISON
  b 1776
  d 3 Feb 1835, Liverpool
Hannah UNSWORTH
  b 1774
  d 6 Mar 1847, Lower Bebbington, Cheshire

He was married, date and place unknown

Robert DONNISON
  b 10 Oct 1810
  d 5 Feb 1883
Frances ?
  b 1812
  d 5 Sep 1878

They had four children

Robert DONNISON
  d 1858

Charles DONNISON
  b 1840
  d 1881

William Henry DONNISON
  b 1843
  d 10 Oct 1878

George DONNISON
  b 1844
  d 2 Sep 1848