Sylvester Baldwin was born about 1560 in Aston Clinton, co. Bucks, England. He died on 16 Feb 1631/32 in Cholesbury, co. Bucks, England. He was married to Jane Willis on 28 Dec 1590 in Cholesbury, co. Bucks, England. "Root Family" says 28 Sep 1590.

Jane Willis was born about 1572 in Stourton, co. Warwick, England. She died on 10 Nov 1669 in Milford, New Haven Co., Connecticut. She was also known as Jane Welles. Children were:

i. George Baldwin was buried on 21 Nov 1596 in Cholesbury, co. Bucks, England.
ii. John Baldwin died before 18 Feb 1632/33.
iii. Richard Baldwin.
iv. Henry Baldwin was born in 1593. He died about 1661.
v. Sylvester Baldwin was born about 1595 in Aston Clinton, co. Bucks, England. He died on 21 Jun 1638, at sea, on the way to America aboard the "Martin". His estate was probated on 13 Jul 1638.
vi. William Baldwin.
vii. Jane Baldwin.
viii. Alice Baldwin.