Jan Willem Dunnewold
| Sex: | Male | |
| Father: | Abraham Dunnewold | |
| Mother: | Janna Geertruid Stemerdink | |
| Birth: | 24 Mar 1861 | Winterswijk, GL, NL |
| Death: | 1942 | Clymer, NY, USA |
| Burial: | Holland Cemetry, Clymer, NY, USA | |
Family 1
| Spouse/Partner: | Sara Frederika VanderSchaaff | b. 21 Mar 1869 d. 26 Jan 1929 |
| Civil: | Aft 1869 | |
| Children: | ||
Nellie Dunnewold
 |
b. (ca 1887) d. (ca 1958) | |
| Anna Dunnewold
|
b. 29 Jun 1889 d. Aft 1908 | |
| Jenny Dunnewold
|
b. 21 Sep 1890 d. 30 Sep 1890 | |
| Freda Dunnewold
|
b. 5 Oct 1891 d. 27 Jun 1949 | |
Arba J. Dunnewold
 |
b. 2 Jun 1894 d. 28 Nov 1926 | |
| Herbert W. Dunnewold
|
b. 16 Oct 1895 d. Jul 1956 | |
| Lawrence M. Dunnewold
|
b. 14 Nov 1898 d. 21 Jul 1972 | |
| Gertrude Dunnewold
|
b. 26 Sep 1900 d. 10 Jul 1984 | |
| Burton J. Dunnewold
|
b. 24 Aug 1903 d. Feb 1972 | |
| Frederick Dunnewold
|
b. 25 May 1905 d. (?) | |