His son John Frederick Booth, who lived in Canada, married and had a daughter Lois Frances Booth (born Ottawa, Ontario, 2 August 1897; died Copenhagen, 26 February 1941), who was married in Ottawa, Ontario, on 11 February 1924 to Count Erik of Rosenborg, whom she divorced in 1937; they had two children. At the time of the marriage, it was rumoured that Booth contributed half of her $4-million dowry. J.R. issued a formal denial. She later remarried Thorkild Juelsberg, without issue.