In the village of Pergine Valsugana is a church record for a marriage of Pietro Eccher and Rosa in 1843.
Is it possible that this could be Bartolo's parents?
The exact information is as follows: 15 July 1843 Pietro Antonio Eccher married Rosa Dominica Biasion Valcanover
The record lists Pietro's parents: Dominico of S. Catarina and Dominica Pintarelli
and Pietro's birthdate is listed as 24 May 1815
The record lists Rosa's parents as Antonio Giuseppe Biasion of S. Cattarina and Rosa's birthdate is 27 December 1820
In the 1800's, these villages (Pergine Valsugana and S. Catarina) were part of Tyrol that belonged to Austria. Today this area is part of Italy.