Capt. William Brown was born on 21 Oct 1696 in Billerica, Middlesex Co., Massachusetts. He died on 19 Nov 1771 in Tewksbury, Middlesex Co., Massachusetts. He was married to Mary Baldwin.

Mary Baldwin was born on 15 Sep 1696 in Billerica, Middlesex Co., Massachusetts. She died from dysentery on 29 Sep 1773 in Tewksbury, Middlesex Co., Massachusetts. Children were:

i. William Brown was born on 27 Mar 1724 in Billerica, Middlesex Co., Massachusetts and died there on 7 Apr 1724.
ii. Mary Brown.
iii. Esther Brown was born on 21 Mar 1727/28 in Billerica, Middlesex Co., Massachusetts.
iv. William Brown Jr. was born on 24 Feb 1730/31 in Billerica, Middlesex Co., Massachusetts. He died on 5 Oct 1817 in Tewksbury, Middlesex Co., Massachusetts.
v. Timothy Brown was born on 24 May 1733 in Billerica, Middlesex Co., Massachusetts.
vi. Jonathan Brown was born on 26 Feb 1735/36 in Tewksbury, Middlesex Co., Massachusetts and died there on 18 Dec 1822.