Complex sentence: In 1920 it became home for Fortunate and Anna Anselmo, who lived there until 1950, and became significant as the residence of the country of Italy's "vice consul for Utah and Wyoming".
Split into simpler sentences: In 1920 it became home for Fortunate and Anna Anselmo, who owned it until 1950. It became significant as the residence of the country of Italy's "vice consul for Utah and Wyoming".