Below links are publications of their future marriage
https://www.familysearch.org/records/images/image-details?page=2&place=7066833&rmsId=M9JZ-1LD&imageIndex=39&singleView=true
https://www.familysearch.org/records/images/image-details?page=2&place=7066833&rmsId=M9JZ-1LD&imageIndex=46&singleView=true
https://www.familysearch.org/records/images/image-details?page=2&place=7066833&rmsId=M9JZ-1LD&imageIndex=47&singleView=true
Wedding act
https://www.familysearch.org/records/images/image-details?page=1&place=7066833&rmsId=M9H3-W9M&imageIndex=169&singleView=true
Firenze City Hall’s Civil Vital Registration Records Office
https://www.antenati.san.beniculturali.it/
http://archivio.operaduomo.fi.it/battesimi/
C > Cavallini > Emilia Cavallini