could this be the church record for Ivan/Janez Nane Savron?
Matična knjiga krščenih, zvezek II
https://data.matricula-online.eu/en/slovenia/koper/Gradin/%25C5%25A...
Note: 2nd page, 4th from the bottom.
Reads baptized ?1846, born in house 35, "nato" (means born) 29 (month I cannot read) 1846. Father is Peter Savron and mother is listed as Michaela Savron ( I think its Jugovac) but need marriage record to confirm.