Betsey's death date and age at death was extracted from her step-brother's bible. The Isaac Mumma and Mary Nissley family bible which can be viewed at http://freepages.genealogy.rootsweb.com/~allister/mumma.html
Census, PA, Dauphin Co, Derry Twp., p. 134
Hummel, Jacob, 38, farmer $700 real estate, b. PA
" , Elizabeth, 34, b. PA
" , Soloman, 11, b. PA
" , Susan, 10, b. PA
" , Jacob, 7, b. PA
" , Mary, 6, b. PA
" , Catherine, 4, b. PA
" , Elizabeth, 2, b. PA
Lehman, Christian, 18, b. PA laborer
Father:Christian S. MUMMA (b. 12 AUG 1783, Paxton Twp., Lancaster Co., PA - d. 30 MAY 1855, Lower Swatara Twp., Dauphin Co., PA) Mother:Fanny NISSLEY (b. 29 NOV 1789, PA - d. 21 AUG 1822, Dauphin Co., PA)
1. Soloman Mumma HUMMEL (b. 2 FEB 1839, Stoverdale, Dauphin Co., PA - d. 28 AUG 1911, Hummelstown, PA)
2. Susan HUMMEL (b. 1840, Dauphin Co., PA)
3. Jacob HUMMEL (b. 1843, Dauphin Co., PA)
4. Mary J. HUMMEL (b. 20 JUN 1844, Derry twp., Dauphin Co., PA - d. 21 MAY 1917, Hummelstown, Dauphin Co., PA)
5. Catherine HUMMEL (b. 1846, Dauphin Co., PA)
6. Elizabeth HUMMEL (b. 14 DEC 1849, Dauphin Co., PA - d. 11 OCT 1920)