As a longstanding friend of the sitter's Romney described the painting as 'his favourite picture of friendship'.

Sitters back to top:
Eliza Gibson (née Walker) (died 1856), Daughter of Adam Walker. Sitter in 1 portrait.
Adam Walker (1731-1821), Inventor and writer. Sitter in 5 portraits.
Adam John Walker (1769 or 1770-1839), Divine; second son of Adam Walker. Sitter in 1 portrait.
Deane Franklin Walker (1778-1865), Astronomer; youngest son of Adam Walker. Sitter in 1 portrait.
Eleanor Walker (active 1764-circa 1801), Wife of Adam Walker. Sitter in 1 portrait.
William Walker (1766?-1816), Astronomer; eldest son of Adam Walker. Sitter in 3 portraits.