 Other clients included Sarasate, Joachim, and violincellist Alfredo Piatti, who trusted his violoncello (a Stradivarius, from which Bisiach made a reproduction) to no one else.This patriarch of violin making must have had a rather striking personality, if his own maestro, Riccardo Antoniazzi, to say nothing of Antoniazzi's father Gaetano and brother Romeo, joined the company that Bisiach had created in his own name.