Robert Chapman Guinness (born 1937) (b. 1937) Parents Richard Smyth Guinness Esmé Patricia Chapman Children Katharine Geraldine Guinness Clare Elizabeth Guinness Samuel Walter Guinness Louisa Brigid Guinness Richard de Zoete Guinness Siblings Shaunagh Christine Guinness Deirdre Veronica Guinness Meryl Susanna Guinness Partners Sarah Jane de Zoete