Sir John Roger Wilmot Onslow, 8th Bt. (1932-2009) (1932–2009) Parents Constance Parker Sir Richard Wilmot Onslow, 7th Bt. Children Sir Richard Paul Atherton Onslow, 9th Bt. Joanna Elizabeth Onslow Siblings Sally Constance Onslow Tessa Elizabeth Onslow Jill Angela Onslow Partners Susan Fay Hughes Catherine Zoia Greenway