 In 1869, she married the nobleman commander Axel Adlersparre (1812–1879) and became the stepmother of his five children.Her husband was described as supportive of her social reform work.Sophie Adlersparre was an admirer of feminist author Fredrika Bremer and became engaged in feminist issues through her friendship with Rosalie Roos, who returned to Sweden with an interest in women's rights in 1857 after spending several years in the United States.