Sir Ralph Delaval, 1st Baronet (13 October 1622 – 29 August 1691) was an English landowner and politician who sat in the House of Commons

House of Commons of England

The House of Commons of England was the lower house of the Parliament of England from its development in the 14th century to the union of England and Scotland in 1707, when it was replaced by the House of Commons of Great Britain...

 at various times between 1659 and 1685.

Delaval was the son of Robert Delaval

Robert Delaval

Robert Delaval was an English politician who sat in the House of Commons in 1659.Delaval was the son and heir of Ralph Delaval of Seaton Delaval, Northumberland. He entered Lincoln's Inn in 1619 and matriculated at University College, Oxford on 23 June 1621...

 of Seaton Delaval

Seaton Delaval

Seaton Delaval is a village in Northumberland, England, with a population of 4,371. It is the largest of the five villages in Seaton Valley and is the site of Seaton Delaval Hall, the masterpiece completed by Sir John Vanbrugh in 1727....

, Northumberland

Northumberland

Northumberland is the northernmost ceremonial county and a unitary district in North East England. For Eurostat purposes Northumberland is a NUTS 3 region and is one of three boroughs or unitary districts that comprise the "Northumberland and Tyne and Wear" NUTS 2 region...

. He matriculated at Queens College, Oxford on 15 June,1638, aged 16 and was admitted to Lincolns Inn in 1639. He was High Sheriff of Northumberland

High Sheriff of Northumberland

This is a list of the High Sheriffs of the English county of Northumberland.The High Sheriff is the oldest secular office under the Crown. Formerly the High Sheriff was the principal law enforcement officer in the county but over the centuries most of the responsibilities associated with the post...

 in 1649

In 1659, Delaval was elected Member of Parliament

Member of Parliament

A Member of Parliament is a representative of the voters to a :parliament. In many countries with bicameral parliaments, the term applies specifically to members of the lower house, as upper houses often have a different title, such as senate, and thus also have different titles for its members,...

 for Northumberland

Northumberland (UK Parliament constituency)

Northumberland, was a County constituency of the House of Commons of the Parliament of England then of the Parliament of Great Britain from 1707 to 1800 and of the Parliament of the United Kingdom from 1801 to 1832. It was represented by two Members of Parliament.The constituency was split into two...

 for the Third Protectorate Parliament

Third Protectorate Parliament

The Third Protectorate Parliament sat for one session, from 27 January 1659 until 22 April 1659, with Chaloner Chute and Thomas Bampfylde as the Speakers of the House of Commons...

. He was re-elected MP for Northumberland in 1660 for the Convention Parliament. He was created a baronet

Delaval Baronets

There have been two Baronetcies created for people with the surname Delaval.The Delaval Baronetcy of Seaton in the County of Northumberland was created in the Baronetage of England on 29 June 1660 for Ralph Delaval, of Seaton. The latter was Member of Parliament for Northumberland and was...

 of Seaton, in the County of Northumberland in the Baronetage of England on 29 June 1660. In 1677 he was elected MP for Northumberland again in the Cavalier Parliament

Cavalier Parliament

The Cavalier Parliament of England lasted from 8 May 1661 until 24 January 1679. It was the longest English Parliament, enduring for nearly 18 years of the quarter century reign of Charles II of England...

 and was re-elected for the two parliaments of 1679 and in 1681.

Delaval developed the family's commercial interests at Seaton Delaval by building a harbour and sluice gates at nearby Hartley Pans, which came to be known as Seaton Sluice

Seaton Sluice

Seaton Sluice is a village in Northumberland. It lies on the coast at the mouth of the Seaton Burn, midway between Whitley Bay and Blyth. It has a population of about 3,000 people.- Early history :...

.

Delaval was succeeded firstly by his eldest son Ralph and later by a younger son John

Sir John Delaval, 3rd Baronet

Sir John Delaval, 3rd Baronet was an English politician.He was the fifth son of Sir Ralph Delaval, 1st Baronet and his wife Anne Leslie, daughter of the 1st Earl of Leven. Delaval succeeded his older brother Ralph as baronet in 1696.Delaval sat as Member of Parliament for Morpeth from 1701 until...