Ursula Joan Onslow (1916-1988) (1916–1988) Parents Sir Roger Warin Beaconsfield Onslow, 6th Bt. Mildred Wilmot Children Geoffrey Archibald Onslow Harris Richard Charles Onslow Harris Robert James Onslow Harris Siblings Sir Richard Wilmot Onslow, 7th Bt. John Vernon Onslow Partners John Archibald Harris