
| Barbara Joan Avildsen | |
| B: | 2 May 1927 |
| Oak Park, Cook County, Illinois, USA | |
| D: | 17 Apr 1995 |
| Sarasota County, Florida, USA | |
| John Bass, III | |
| M: | Bef Apr 1963 |
| John Guilbert Avildsen | |
| B: | 21 Dec 1935 |
| Oak Park, Cook County, Illinois, USA | |
| D: | 16 Jun 2017 |
| Los Angeles, Los Angeles County, California, USA | |
|
| Clarence John Avildsen | |
| B: | 21 Sep 1898 |
| Chicago, Cook County, Illinois, USA | |
| D: | 4 Jul 1964 |
| New York, New York County, New York, USA | |
| Ivy Guilbert | |
| B: | 30 Sep 1899 |
| Liverpool, Lancashire, England | |
| M: | 21 Oct 1923 |
| Chicago, Cook County, Illinois, USA | |
| D: | 21 Jul 1970 |
| Sarasota County, Florida, USA | |