In 1955-60 Hegardt was married to the ambassador Karl-Anders Wollter (born 1927), the son of the editor Kjell Wollter and his wife Elsa (née Ekwall). She was married 1962-77 to the county prosecutor Lars Dahlgren (born 1931), the son of the chief physician Lars Dahlgren and Aina, née Svenselius.[1][2] Hegardt died in 2005 and was buried in Östra kyrkogården in Gothenburg.[3]