Johanna Kristina `` Hanna '' Grönvall ( 10 December 1879 in Västra Sallerup , Malmöhus län - 22 May 1953 ) was a Swedish politician ( social democrat ) and trade union worker .
Johanna Kristina `` Hanna '' Grönvall ( 10 December 1879 in Västra Sallerup , Malmöhus County , Sweden - 22 May 1953 ) was a Swedish politician ( social democrat ) and trade unionist .