John Anthony Rucker of West Hill

1.The banking firm of Dorrien Rucker and Carl[e]ton was formed in 1772.

1. Dissolution of partnership of Thomas Dorrien, M. Dorrien Magens, Arnold Mello, A. Martin and M. Harrison as bankers 31/12/1799, continued by Dorrien, Magens, Mello and Martin  

2. Dissolution of Dorrien, Magens Mello and Martin, continues as Dorrien, Magens, Dorrien and Mello (Thomas Dorrien; M. Dorrien Magens; Thomas Dorrien jun.; Ambrose Martin and John Mello

3. Retirement of M. Dorrien Magens from partnership of Thomas Dorrien, John Dorrien Magens, John Mello and George Bramwell   

4. Predecessor firm of RBS. 

1. M.S. Beerbuhl, 'The commercial culture of spiritual kinship...' in Robert Lee (ed.) Commerce and culture (2016) p. 240.

2. London Gazette 15258 17/5/1800 p. 489

3. London Gazette 15769 5/1/1805 p. 39

4. London Gazette 18617 6/10/1829 p. 1832

5. https://www.rbs.com/heritage/companies/dorrien-magens-mello-and-co.html