Isaak Defehr (27 Apr 1763 - Sep 1857)

Isaak Defehr (27 Apr 1763 - Sep 1857)

The proposed relationship of Isaak Defehr as the father of David Defehr and Christina Defehr is supported by DNA evidence indicating shared ancestry within the family lines.

Specifically, DNA evidence confirms a distant cousin relationship between TF (a descendant of the David Defehr ancestral line) and APF (a descendant of the Christina Defehr ancestral line) with a shared segment of 94.93 cM across 7 HIR segments.

This match is consistent with their placement within these shared ancestral branches.
- David Defehr (ABT 1792 - Dec 1860)
  - David Fehr (15 Dec 1831 - 29 Apr 1903)
    
    Johann D. Fehr (ABT 1859 - 15 Feb 1923)
    
    Jacob J. Fehr (10 Aug 1886 - 21 Oct 1961)
    
    David Fehr (ABT 1916 - 29 Jul 2003)
    
    RDF
    
    TF
- Christina Defehr (ABT 1797 - )
  - David Doerksen (20 Oct 1840 - ABT 1906)
    
    Susanna D. Doerksen (22 Aug 1876 - 12 Mar 1903)
    
    Jacob D. Penner (14 Feb 1900 - 27 Jun 1980)
    
    Heinrich W. Penner (26 Sep 1937 - 24 Jan 2013)
    
    SWP
    
    APF