Question: What is the date of birth of Marigold Southey's husband?
Sentence (from "Robert Southey (businessman)"): Sir Robert John Southey (20 March 1922 – 29 September 1998) was an Australian businessman, who was president of the Liberal Party of Australia from 1970 to 1975, and chairman of The Australian Ballet Foundation from 1980 to 1990.
Relevant evidence: Yes