1879 Rosa was born 1 Jan 1879 to Kaspar Fischer and Antonette Wachler.
1913 Rosa married Samuel Riniker (son of Gottfried Riniker and Barbara Schaffner) on 03 Dec 1913 in Los Angeles, California, USA. She was 34 years old and Samuel was 45. 
1945 Rosa passed away 28 Mar 1945 in Napa, California, USA.
↑ 1.01.1California, County Marriages, 1850-1952, database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:XLHM-85S : 4 August 2017), Kaspar Fischer in entry for Samuel Riniker and Rosa Fischer, 03 Dec 1913; citing Los Angeles, California, United States, county courthouses, California; FHL microfilm 1,033,249.