Actually, they had a total of 7 children:
1. William 1674-1695
2. Sarah 1675-1744
3. Samuel 1684-1765
4. Elisha 1687-1688
5. Abigail 1688-1695
6. Joseph 1691-?
7. John 1692-1745 - this is the child that Elizabeth was pregnant with. He was born in prison in January. He and his mother were not release until May 1693 in the General Release of all those prisoner still remaining in jail.