Complex sentence: In 1953 she married landowner and industrialist Thomas Stang (1897--1982), thus becoming a sister-in-law of Axel Heiberg Stang and daughter-in-law of Ole A. Stang and Emma Heiberg.
Split into simpler sentences: In 1953 she married landowner and industrialist Thomas Stang (1897--1982). She then became a sister-in-law of Axel Heiberg Stang and daughter-in-law of Ole A. Stang and Emma Heiberg.