William Brown was born in Boston, Suffolk Co., Massachusetts. He was married to Elizabeth Ruggles on 24 Apr 1655 in Boston, Suffolk Co., Massachusetts.

Elizabeth Ruggles was born on 16 Feb 1633/34 in Braintree, Norfolk Co., Massachusetts. She was baptized on 8 Dec 1633. Children were:

i. Mary Brown was born on 16 Mar 1656.
ii. Sarah Brown was born on 8 Jan 1657.
iii. Elizabeth Brown was born on 5 May 1659. She died on 10 Aug 1691 in Billerica, Middlesex Co., Massachusetts. She was married to James Kidder Jr. on 23 Sep 1678 in Billerica, Middlesex Co., Massachusetts.
iv. Capt. George Brown.

Elizabeth Ruggles married second John Rogers on 6 Jul 1669 in Billerica, Middlesex Co., Massachusetts.