Margith Linnéa Persson was a midwife and went to Mongolia in 1935. She married to Folke Persson in 1936.
She returned to Sweden in 1946 and move to the US in 1948. The family moved to Tokyo in 1951 because new missionary station was opened. They stayed in Japan for 11 years and moved back to Sweden. The couple had five children, however, four children died when they were young.