Basil Hamilton-Temple-Blackwood, 4th Marquess of Dufferin and Ava British politician and soldier (1909–1945) Parents Brenda Hamilton-Temple-Blackwood, Marchioness of Dufferin and Ava Frederick Hamilton-Temple-Blackwood, 3rd Marquess of Dufferin and Ava Children Lady Perdita Hamilton-Temple-Blackwood Sheridan Hamilton-Temple-Blackwood, 5th Marquess of Dufferin and Ava Caroline Blackwood Siblings Lady Veronica Brenda Hamilton-Temple-Blackwood Partners Maureen Guinness