Jonas Bronck (c. 1600–43) was a Swedish born emigrant from Komstad, Norra Ljunga parish in Småland, Sweden who arrived in New Netherland during the spring of 1639. He became the first recorded European settler in the area now known as the Bronx. He leased land from the Dutch West India Company on the neck of the mainland immediately north of the Dutch settlement in Harlem (on Manhattan island), and bought additional tracts from the local tribes. He eventually accumulated 500 acres (about 2 square km, or 3/4 of a square mile) between the Harlem River and the Aquahung, which became known as Bronck's River, or The Bronx. Dutch and English settlers referred to the area as Bronck's Land. The American poet William Bronk was a descendant of Pieter Bronck, either Jonas Bronck's son or his younger brother.

When was Jonas Bronck born?