- Birth Date
- 8 November 1844
- Death Date
- 25 March 1913
John Robert Twelves
The family sailed to America in 1856 on the ship Horizon.
- Age at Departure: 10
- 1900 Utah Census.
- Handcart Veterans Association. Handcart Veterans Association scrapbook, 1906-1914, folder 6.
- Handcart Veterans Association. Handcart Veterans Association scrapbook, 1906-1914, folder 7.
- "J. R. Twelves Dies in Provo," Ogden Evening Standard, 26 March 1913, 9.
- Journal History of The Church of Jesus Christ of Latter-day Saints, November 1856, 68.
- Perpetual Emigrating Fund, Financial Accounts 1849-1886, Ledger B, p. 236.
- Saints By Sea: Latter-day Saint Immigration to America
- Utah Death Certificates.