[1][2] In 1725, Elliott was admitted to Dr Dunster's Academy in Little Marlborough Street, London, and in 1730 he matriculated as a Law Student at the University of Groningen in the Netherlands.

[3] To facilitate the marriage, Elliott converted to Catholicism, and took the forename Joseph, which caused him problems with his mother's Calvinist relatives.

In August 1736, he and his mother swore oaths at the College of Arms in London that the Elliott family descended from a legal marriage of Richard Eliot (b.

Nevertheless, he spent much time and trouble trying to prove Catherine had married Richard prior to George's birth, making him a legal heir.

[4] Back in England, he remarried, on 3 September 1750, to Elizabeth Duckett (25 June 1724 – October 1804) at St. Mary Magdalen Old Fish Street, London.

On 21 April 1758, Elliott was made major-general in the British Army,[5] and appointed colonel of the 61st Regiment of Foot – The Glorious Glosters.

He retired to convalesce at army headquarters in Rodheim an der Bieber, Gießen, Hesse, Germany, but died there nine weeks later on 10 October 1759 from the wounds incurred.

He was buried with military honours in the local 13th century church at Krofdorf on 12 October; Prince Ferdinand of Brunswick attended the funeral.

Firstly, on 15 March 1735 at Mannheim, to Jeanne Thérèse du Han, Comtesse de Martigny (30 October 1707 – 7 May 1748), by whom he had at least six sons and a daughter.

Of the children of his second marriage, Francis Perceval Eliot and his descendants continued the family's close connection with British armed forces.