Bernardo di Matteo Gamberelli ( 1409 -- 1464 ) , better known as Bernardo Rossellino , was an Italian sculptor and architect , the elder brother of the painter Antonio Rossellino . Bernardo di Matteo del Borra Gamberelli ( 1409 â `` 1464 ) , better known as Bernardo Rossellino , was an Italian sculptor and architect , the elder brother of the sculptor Antonio Rossellino .