John Morgan was a Welsh

Welsh people

The Welsh people are an ethnic group and nation associated with Wales and the Welsh language.John Davies argues that the origin of the "Welsh nation" can be traced to the late 4th and early 5th centuries, following the Roman departure from Britain, although Brythonic Celtic languages seem to have...

 politician of the mid-to-late 18th century, the youngest son of Thomas Morgan

Thomas Morgan (judge advocate)

Thomas Morgan was a Welsh politician and lawyer of the 18th century.He was the younger son of John Morgan and his wife Martha. Thomas received the estate of Rhiwpera upon his father's death in 1720. He entered the House of Commons as Member of Parliament for Brecon in 1723, which he represented...

 and his wife, Jane.

He entered the House of Commons

British House of Commons

The House of Commons is the lower house of the Parliament of the United Kingdom, which also comprises the Sovereign and the House of Lords . Both Commons and Lords meet in the Palace of Westminster. The Commons is a democratically elected body, consisting of 650 members , who are known as Members...

 in 1769 as 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 Brecon

Brecon (UK Parliament constituency)

Brecon was a parliamentary constituency in Wales which returned one Member of Parliament to the House of Commons of the Parliament of the United Kingdom and its predecessors, from 1542 until it was abolished for the 1885 general election.-Boundaries:...

, succeeding his brother Charles Morgan. In 1771, he accepted the Stewardship of the Manor of East Hendred

Resignation from the British House of Commons

Members of Parliament sitting in the House of Commons in the United Kingdom are technically forbidden to resign. To circumvent this prohibition, a legal fiction is used...

 in order to enter the by-election at Monmouthshire

Monmouthshire (UK Parliament constituency)

Monmouthshire was a county constituency of the House of Commons of Parliament of England from 1536 until 1707, of the Parliament of Great Britain from 1707 to 1801, and of the Parliament of the United Kingdom from 1801 to 1885...

, replacing his late brother Thomas Morgan

Thomas Morgan (of Rhiwpera)

Thomas Morgan was a Welsh politician, of the family of Morgan of Tredegar. He was the eldest son of Thomas Morgan and his wife Jane Colchester.Morgan represented Brecon in the House of Commons from 1754 until 1763...

. Unusually, given the immense Morgan influence in Brecknockshire

Brecknockshire

Brecknockshire , also known as the County of Brecknock, Breconshire, or the County of Brecon is one of thirteen historic counties of Wales, and a former administrative county.-Geography:...

 and Monmouthshire

Monmouthshire (historic)

Monmouthshire , also known as the County of Monmouth , is one of thirteen ancient counties of Wales and a former administrative county....

, the election was contested, albeit unsuccessfully, by Valentine Morris

Valentine Morris

Valentine Morris was a British landowner born in Antigua in the West Indies, who was responsible for developing the picturesque woodland walks at Piercefield in the Wye valley and later became Governor of St...

.

He was exceedingly wealthy, and upon the death of his brother Charles in 1787, the entirety of the Tredegar Estate of the family devolved upon him. He died unmarried, and his estates passed to his brother-in-law Sir Charles Gould, who assumed the name of Morgan.