John Calkins
- Yes, date unknown(
= Descendancy chart to this point, 
= Expand, 
= Collapse)
- 1 John Calkins [1] d. Yes, date unknown
- Clara Richards d. Yes, date unknown
- 2 Chester O. Calkins [1.1] b. 19 Apr 1888 d. 13 Jul 1960
- (Calkins) d. Yes, date unknown
- 3 Orville Calkins [1.1.1] d. Yes, date unknown
- 3 Dale Arthur Calkins [1.1.2] b. 4 Mar 1919 d. 12 Nov 1993
- Maxine B. Dennison b. 9 Aug 1921 d. 29 Jan 2017
- 4 Michael Calkins [1.1.2.1] d. Yes, date unknown
- 4 Vanda Calkins [1.1.2.2] d. Yes, date unknown
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- 5 T. J. Leonard [1.1.2.2.1] d. Yes, date unknown
- 5 T. J. Leonard [1.1.2.2.1]
- Mathews d. Yes, date unknown
- 5 Melody Mathews [1.1.2.2.2] d. Yes, date unknown
- 5 Rodny Dennison Mathews [1.1.2.2.3] b. 25 Sep 1962 d. 30 Jan 2011
- 5 Melody Mathews [1.1.2.2.2]
- 4 Marylin V. Calkins [1.1.2.3] d. Yes, date unknown
- 4 Michael Calkins [1.1.2.1]
- 3 Orville Calkins [1.1.1]
- 2 Chester O. Calkins [1.1]