Input (grade 13): Giuseppe Giovanni Battista Guarneri (filius Andreae) (25 November 1666 - 1739 or 1740), Andrea's younger son, joined his father's business in Cremona, inheriting it in 1698.
Output (grade 11): Andrea's younger son, Giuseppe Giovanni Battista Guarneri (25 November 1666 - 1739 or 1740), known as filius Andreae, joined his father's business in Cremona.