Henry Liddell, 1st Baron Ravensworth (1708 – 30 January 1784) succeeded to the Baronetcy of Ravensworth Castle, and to the family estates and mining interests, at the age of fifteen, on the death of his grandfather in 1723. He was created 1st Baron Ravensworth on 29 June 1747.

He went to Peterhouse, Cambridge

Peterhouse, Cambridge

Peterhouse is a constituent college of the University of Cambridge, England. It is the oldest college of the University, having been founded in 1284 by Hugo de Balsham, Bishop of Ely...

 in 1725, and took the Grand Tour

Grand Tour

The Grand Tour was the traditional trip of Europe undertaken by mainly upper-class European young men of means. The custom flourished from about 1660 until the advent of large-scale rail transit in the 1840s, and was associated with a standard itinerary. It served as an educational rite of passage...

 in the early 1730s.

He was Member of Parliament for Morpeth

Morpeth (UK Parliament constituency)

Morpeth was a borough constituency centred on the town of Morpeth in Northumberland represented in the House of Commons of the Parliament of England until 1707, the Parliament of Great Britain from 1707 to 1800, and then the Parliament of the United Kingdom....

 1734–1747.

He was a founder member of the 'Grand Allies' partnership created in 1726 by a group of wealthy land and colliery owners to cooperate in the further development of coal mining in 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...

 and County Durham

County Durham

County Durham is a ceremonial county and unitary district in north east England. The county town is Durham. The largest settlement in the ceremonial county is the town of Darlington...

. Their early investments included collieries at Gosforth

Gosforth

Gosforth is an area of Newcastle upon Tyne, Tyne and Wear, England, United Kingdom, to the north of the city centre. Gosforth constituted an urban district from 1895 to 1974, when it became part of the City of Newcastle upon Tyne. It has a population of 23,620...

, Heaton

Heaton, Newcastle

Heaton is a residential suburb and is split into two electoral wards located in the east end of Newcastle upon Tyne, England, about from the City Centre. It is bordered by the neighbouring areas of Benton and Cochrane Park to the north, Walker and Walkergate to the east, Byker to the south and...

, New Benton, Tanfield

Tanfield, Durham

Tanfield is a former mining village in County Durham, England near Stanley and is the location of Tanfield Railway and the Causey Arch. It is also the location of Tanfield School.-History:...

, South Causey, North Biddick and Longbenton

Longbenton

Longbenton is a district of North Tyneside, England. It is largely occupied by an extensive estate originally built as municipal housing by Newcastle City Council in the 1950s and 1960s. It is served by the Tyne and Wear Metro stations Longbenton Metro station and Four Lane Ends Metro Station...

.

His seat was Ravensworth Castle, Lamesley, Co. Durham and his London address from 1735 was 13, St James's Square.

Liddell married Anne Delme in 1735 and they had one daughter. He was succeeded in the Baronetcy by his nephew Henry. The Barony was extinct on his death, but was later recreated in 1821 for his great nephew Thomas

Thomas Liddell, 1st Baron Ravensworth

Thomas Henry Liddell, 1st Baron Ravensworth , known as Sir Thomas Liddell, 6th Baronet, from 1791 to 1821, was a British peer and Tory politician.-Life account:...