Here is what my family has, maybe it's the wrong Henry but the b. dates match.
*Henry Pettit, Captain, b. 21 Sep 1580 Ashdon, Wilford, Essex County, England, d.1661 in Stamford, Connecticut, USA. Buried beneath the altar of the St. Thomas Beckett Chapel and is said to have links to the Knights Templar Masons. Married; #1. Anne, da. of Thomas?. #2. Elizabeth, da. Finch of Coptree.
Last permanent Pettit resident of Dent-de-lion Manor, Margate in Kent.
Children are;
1. *John Pettit, b.1608, Widford, Essex Co., England; d.1662.
2. Anna Pettit
3. Thomas Pettit I (Marshal, Queens, Co. NY) b. Jun 1610 at Wilford, Essex Co., England d. Oct 1668 at Newtown, (Elmherst), Queens Co., NY. Married, Christian (Catherine) Mellows
4. ??? Pettit, a son
5. ??? Pettit, a son
*Sir Nicholas Pettit, son of Henry Pettit b. bef. 1558 in pos, Birchington, Kent, England. d. 1604. He married #1 Cicelly ?, #2 Agnes ?. in pos, Birchington, Kent, England.
Children of Nicholas Pettit and Agnes ? are:
1. *Henry Pettit, b. 1580 d. 1661
2. Margaret Pettit, b. 1581
3. Hester Pettit, b. 1573
*Sir Henry Pettit, son of John Pettit, b.1523 in pos, Birchington, Kent, England. He married Cicelly ? . d. 1558. Cicelly ? was born bef. 1537 in pos, Birchington, Kent, England. d. Birchington, Kent, England.
Children of Henry Pettit and Cicelly are:
1. *Nicholas Pettit, b. bef. 1558
*Sir John Pettit II of Dantdelion, was born abt. 1500 in Birchington, Kent Co., England. He died 1523. Married Margaret?
Children are:
1. Thomas Pettit, b. pef. 1523
2. *Henry Pettit, b. bef. 1523
An alderman is a member of a municipal assembly or council in many jurisdictions founded upon English law.
*John Pettit, Alderman of London, son of Valentine, b. abt. 1479 in Thanet district of East Kent, England.
Children are:
1. Valentine Pettit of Minster, b. abt. 1500 d. 1545, seated at Dent-de-lion, and married Joan Beverley of Fordwich, daughter of ? Beverly of Fordwich, a family who had been in possession of the Isle of Tancrey in Fordwich.
2. *John Pettit II, b. abt. 1500 d.1523
(Berry’s Kent. Genealogy.) Prepared by:
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*Sir Valentine Pettit of Minster, (a title of diginity in later medieval England for instances where a cathedral, monastery, collegiate church or parish church had originated with an Anglo-Saxon foundation.) , was b. abt. 1458 in pos, Thanet district of East Kent Co., England, d. 15?
He was the first Pettit Owner of Dent-de-lion Manor, Margate. This estate was acquired by the Pettit family in the mid fifteenth century.
Children are:
1. *John Pettit, b. abt. 1479 Alderman
2. Henry Pettit d. 1599
3. Edward Pettit d. ? Married; Elizabeth, da. of ? Alexander Northwood of Margate.
4. Valentine Pettit d. 1561 d. 1626, married Mary Cleve d. 1609, then married Martha Henneker
5. Alice Pettit
6. Benneta Pettit
*Sir John Pettit of Shalmsford Street, a Knight Templar, b. abt. 1437 in, Thanet district of East Kent, England. Married ? De Daundelyon, daughter of John Daundelyon.
Children are:
1. *Valentine Pettit, b. abt. 1458
*Sir Michael Pettit, a Knight Templar, son of John Pettit b. abt. 1416 in Thanet district of East Kent, England. and ? Carminon ,
Children are:
1. *John Pettit, b. abt. 1437
*Sir John Pettit, son of Michael Pettit , b. abt. 1395 in Thanet district of East Kent, England. Married ? Carminon . ? Carminon, daughter of Thomas Carminon, b. abt. 1395 in pos, Kent, England. He was a Knight Templar.
Children are:
1. *Michael Pettit, b. abt. 1416
*Sir Michael Pettit, son of Martin Pettit, b. abt. 1374 in Thanet district of East Kent, England. He is also a Knight Templar.
Children are:
1. *John Pettit, b. abt. 1395
*Martin Pettit, son of Uda Pettit, b. abt. 1353 in Thanet district of East Kent, England.
Children are:
1. *Michael Pettit, b. abt. 1374
*Uda Pettit, son of John, b. abt. 1332 in pos, Kent, England.
Children are:
1. *Martin Pettit, b. abt. 1353
*Sir John Pettit II, son of John Pettit and ? Shenishalt, b. abt. 1311 in pos, Kent, England. Married #1 Alice Beauchamp, daughter of Michael Beauchamp, b. abt. 1311 in pos, Kent, England. Married #2 ? Shenishalt.
He is also a Knight Templar.
source Pettit line:= Archaeologia Cantiana Vol XXV (1902)
Children are:
1. *Uda Pettit, b. abt. 1332
2. Lionel Pettit Lord Wells, b. abt. 1332, married Margaret Of Somerset, Dutchess.