Trinità e Sartana figli di…
Starring Alberto Dell'Acqua, Harry Baird, Beatrice Pellegrino, Stelio Candelli, Dante Maggio, Ezio Marano, Lars Bloch, Carla Mancini, Enzo Andronico, Domenico Maggio
It's a comedy and western movie, and has a rating of 4.1 out of 10 from Imdb which is fairly low for this kind of movie.
Watch it here
Not found streaming from Italy.