Together with her sons Dominic , Rocco and Charles , she led the company for 22 years .
In 1832 , after his death , the business was continued by his wife Petronilla , a mother of six children and a seventh coming .
Together with wife 's sons Dominic , Rocco and Charles , wife led the company for 22 years .
In 1832 , after his death , the business was continued by his wife Petronilla , a mother of six children and a seventh coming .