Almost immediately after getting married, the two had their first and most well known child, a son by the name of Gian Galeazzo in 1351 who was married off to Isabelle, the daughter of King John of France. Their only other known child was a daughter named Violante . She was born in 1354, the same year Galeazzo assumed shared rule over Milan with his two brothers, Matteo II and Bernabò. He married his daughter off to Lionel of Antwerp, son of Edward III of England, and gave a dowry of 200,000 gold florins.