How many kids did john shakespeare and Mary arden have?

William's parents were John Shakespeare, a leather merchant and town official, and Mary Arden, the well-to-do daughter of Robert Arden, a wealthy farmer of Wilmcote. It is known that John and Mary had eight children: Joan (1558), Margaret (1562), William (1564), Gilbert (1566), Joan (1569), Richard (1574), Edmund (1580) and Anne (1583).