Robert Liddle
born April 1840–April 1841
  in Jarrow, Co. Durham
died very roughly 1910

Presumably he and brother James are twins. The births of a Robert Liddle and James Liddle are recorded together in South Shields district in the September quarter of 1841 (v. 24, p. 179).

1851 census: living at Stambanks Row with mother, step-father, step-siblings, and siblings. Occupation is coal miner. Age is 9 and place of birth is Jarrow.

1861 census: living at 4 Dundas Street, Whitworth with mother, siblings, sister-in-law, niece, and a boarder. Occupation is coal miner. 20 years old, born Jarrow.