John Grenaway was born about 1585 in Staines, co. Middlesex, England. He emigrated in Mar 1630 from England. He arrived on the "Mary and John". He took the oath of freeman on 18 May 1631. He died about 1652 in Dorchester, Suffolk Co., Massachusetts. He was a millwright. He was also known as John Grinoway. He was also known as John Greenoway. He was married to Mary about 1603 in England.

Mary was born about 1587. She died on 23 Jan 1658/59 in Dorchester, Suffolk Co., Massachusetts. Children were:

i. Ursula Grenaway was born about 1603 in Staines, co. Middlesex, England. She was 32 in 1635. She emigrated in Apr 1635 from London, co. Middlesex, England. She arrived with her brother-in-law and sister aboard the "Elizabeth". She died on 19 Dec 1682 in Gloucester, Essex Co., Massachusetts.
ii. Mary Grenaway.
iii. Elizabeth Grenaway was born about 1609 in Staines, co. Middlesex, England.
iv. Ann Grenaway was born about 1611 in Staines, co. Middlesex, England. She died on 31 Dec 1695 in Dorchester, Suffolk Co., Massachusetts.
v. Susannah Grenaway was born about 1615 in Staines, co. Middlesex, England. She died about 1662 in Gloucester, Essex Co., Massachusetts.
vi. Katherine Grenaway.