| PERSON | PARENTS | GRANDPARENTS | GREAT-GRANDPARENTS | GREAT-GREAT-GRANDPARENTS |
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| | | | | | 16 Henry Swan Constant (7 July 1847 - 18 November 1923) | > |
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| | | | | 8 Frank Swan Constant (20 April 1874 - 22 January 1941) | |
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| | | | | | | 17 Harriet Louise Smith (29 June 1849 - 3 April 1923) |
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| | | | 4 LeRoy Andrew Constant (19 December 1906 - 1 April 1988) | | |
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| | | | | | | | 18 Andreas ‘Andrew’ Larsen (19 November 1848 - ca. 1914) | > |
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| | | | | | 9 Emma Larsen (1 May 1878 - 29 December 1937) | |
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| | | | | | | 19 Alvilde Marie ‘Alice’ Thorkildsen (27 August 1848 - 25 August 1902) | > |
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| | | 2 Eric Larsen Constant (27 October 1941 - 26 January 2020) | | | |
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| | | | | | | 10 Edward Baehr Simmons ( - ) | |
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| | | | | 5 Wilhelmina Baehr Simmons (7 April 1909 - 7 March 1949) | | |
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| | | | | | 11 Sarah Agnes Van De Bogert ( - ) | |
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| 1 Christopher Duane ‘Chris’ Constant (14 December 1975 - ) | | | | | | | | |
| | | | | 6 Duane Almon Darrow (5 October 1918 - 17 February 1995) | | |
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| | | 3 Kathleen Lee ‘Kathy’ Darrow (28 September 1946 - ) | | | |
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| | | | 7 Barbara Eloise Manzer (10 December 1923 - 12 June 2018) | | |
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Ancestors of Christopher Duane ‘Chris’ Constant