 Thomas Welch | Sibling | Ireland | 1832 | Waterville, New York | Jul 06 1904 |
 Luke Welch | Brother | County Galway | 1834 | Oneida County, New York, USA | 04 FEB 1918 |
| Unknown Welch | Father | | | | |
| John Welch | Nephew or niece | | | | |
| Luke Welch | Nephew or niece | | | | |
| Thomas Welch | Nephew or niece | Bridgewater, Oneida County, New York | JUL 05 1857 | Waterville, Oneida County, New York | Sep 1932 |
 Winfred Welch | Niece | Kirkland, New York | 1863 | | |
| Thomas Welch | Nephew | | 1865 | | |
| Mary A. Welch | Niece | | 1867 | Cllinton NY | 5 Jul 1948 |
| Joseph Lawrence Welch | Nephew | Sangerfield, Oneida, NY | 28 NOV 1868 | Clinton, Oneida, NY | 16 MAY 1936 |
| Ada Welch | Grandnephew or grandniece | | | | |
| Kathleen Welch | Grandnephew or grandniece | | | | |
| Margaret Welch | Grandnephew or grandniece | | | | |
| Francis J. Welch | Grandnephew | | 29 Aug 1904 | Franklin Springs, Oneida, NY | 21 NOV 1962 |
| Lorretta Mary Welch | Grandniece | Clinton, NY | 19 JAN 1907 | Utica, NY St Lukes Hospital | 03 APR 1964 |
| Agnes Bridget Welch | Grandniece | | 1909 | | 16 Mar 1992 |
| James Brady | Great grandnephew | | | | |
| Dennis Brady | Great grandnephew | | 1934 | | |
| Anne Marie Pryor | Great grandniece | Utica, New York; 0 | 10 MAR 1938 | Verona, Oneida, New York, United States of America | 14 SEP 2002 |
| Margaret Brady | Great grandniece | | 1938 | | |
| Joseph Daniel Pryor | Great grandnephew | Utica NY | 09 MAY 1942 | | |
| Mark Furgal | Second grandniece | | | | |
| Michael Furgal | Second grandnephew | | | | |
| Michael Patrick Imhoff | Second grandnephew | Utica, New York; 0 | 29 SEP 1960 | | |
| Catherine Furgal | Second grandniece | New Hartford, New York | Apr 04 1961 | Clinton, Oneida County, New York | 18 Feb 2013 |
| James Walter Imhoff | Second grandnephew | Kingdom of Morocco, North Africa | 17 APR 1962 | | |
| Deborah Marie Imhoff | Second grandniece | Bremerhaven, Bremen, Germany | 18 JUN 1964 | | |
| Daniel Joseph Imhoff | Second grandnephew | Bremerhaven, West Germany; 0 | 15 JAN 1966 | | |
| Elizebeth Marie Pryor | Second grandniece | | 04 JUL 1973 | | |
| Daniel Joseph Pryor | Second grandnephew | | 29 DEC 1974 | | |
| Thomas James Pryor | Second grandnephew | | 23 SEP 1976 | | |
| William Furgal | Third grandnephew | | | | |
| Naomi Imhoff | Third grandniece | Oneida, New York, USA | 15 AUG 1981 | Northboro, Massachusetts | 02 MAR 2001 |
| Daniel Mathew Imhoff | Third grandnephew | Lake County, CA | 11 JUN 1988 | Arizona | 19 DEC 2010 |
| Brian Imhoff | Third grandnephew | Utica, New York | 29 JUL 1991 | | |
| Makayla Unknown | Third grandniece | | 05 MAY 1993 | | |
| Elyse Imhoff | Third grandniece | Utica, New York | 30 MAR 1994 | | |
| Ian Imhoff | Third grandnephew | Utica, New York | 30 MAR 1994 | | |
| Phoenix Unknown | Third grandniece | Utica, New York | 14 OCT 1994 | | |
| Abigail Furgal | Third grandniece | | 09 SEP 1996 | | |
| Sean Joseph Imhoff | Third grandnephew | Loma Linda University Medical Center; Loma Linda, California | 20 SEP 1997 | | |
| Shannon Furgal | Third grandniece | | 07 JAN 1998 | | |
| Rebecca Furgal | Third grandniece | | 06 JUL 1999 | | |
| Sarah Anne Imhoff | Third grandniece | Lehigh Valley Hospital; Allentown, Pennsylvania; Lehigh County | 20 MAR 2000 | | |
| Ann Margaret Furgal | Third grandniece | | NOV 2002 | | |
