1874 - 1942 (67 years)
| Jaqulin S. Helmus | |
| B: | 1960 |
| D: | 1960 |
| John Frederick Helmus, Jr. ^ | |
| B: | 15 Feb 1930 |
| NY | |
| D: | 19 Sep 1997 |
| John Frederick Helmus, > | |
| B: | 13 Oct 1903 |
| NY | |
| D: | 18 Dec 2002 |
| Bradenton, Manatee, Florida, United States | |
| Hester Williamson, > | |
| B: | Abt 1905 |
| NY | |
| M: | Abt 1929 |
| D: | Yes, date unknown |
| Herbert A. Helmus | |
| B: | Abt 1906 |
| NY | |
| D: | 23 Jan 2002 |
| Alfred Underwood | |
| B: | 1929 |
| New York, United States | |
| D: | 16 May 1935 |
| Brooklyn, Kings, New York, United States | |
| Florence Helmus | |
| B: | 1 Oct 1910 |
| New York, United States | |
| D: | 3 Nov 1996 |
| New York, United States | |
| Alfred James Underwood | |
| B: | 10 Mar 1901 |
| Maryland, United States | |
| M: | 28 Jul 1927 |
| Kings, New York, United States | |
| D: | 29 Mar 1990 |
| New York, United States | |
|
| Maria Antoinette Sternberg | |
| B: | 27 Aug 1874 |
| Hackensack, Bergen, New Jersey, United States | |
| D: | 1942 |
| New York, United States | |
| August Helmus, > | |
| B: | 24 Oct 1878 |
| Germany | |
| D: | 19 Dec 1942 |
| Brooklyn, Kings, New York, United States | |
