Who married Geneviève Waïte?

Geneviève Joyce Waïte (born Genevieve Joyce Weight, 13 February 1948 – 18 May 2019) was a South African actress, singer and model. Her best known acting role was the title character in the 1968 film Joanna. She was a muse to photographer Richard Avedon, who photographed her several times for Vogue in the early 1970s. In 1974, she recorded her only album as a singer, which was produced and written by her husband, John Phillips of the Mamas and the Papas. Her singing voice has been described as "Betty Boop crossed with Billie Holiday". That same year, she starred in a short-lived Broadway musical, Man on the Moon, which she co-wrote with John Phillips; it was produced by Andy Warhol.