Answer
Fibonacci's father, Guglielmo Bonacci, was a wealthy merchant. He was a member of the Bonacci family, who were prominent merchants in Pisa, Italy. Guglielmo's wealth and connections allowed Fibonacci to receive a good education, which included studying mathematics and accounting. Fibonacci's father's occupation had a significant influence on his son's career, as it provided him with the resources and opportunities to pursue his mathematical interests.