| Catalog ID | Description | Sex | Age | Race | Affected | Family Member | Relationship to Proband | Cell Type | Family |
| GM27239 | PITT-HOPKINS SYNDROME; PTHS | Female | 9 YR | More than one race | Yes | 2 | sister | B-Lymphocyte | 3453 |
| GM27572 | PITT-HOPKINS SYNDROME; PTHS | Male | 6 YR | More than one race | No | 6 | brother | B-Lymphocyte | 3453 |
| GM27573 | PITT-HOPKINS SYNDROME; PTHS | Male | 11 YR | More than one race | Yes | 1 | proband | B-Lymphocyte | 3453 |
| GM27574 | PITT-HOPKINS SYNDROME; PTHS | Male | 41 YR | More than one race | No | 4 | father | B-Lymphocyte | 3453 |
| GM27575 | PITT-HOPKINS SYNDROME; PTHS | Male | 13 YR | More than one race | No | 5 | brother | B-Lymphocyte | 3453 |
| GM27576 | PITT-HOPKINS SYNDROME; PTHS | Female | 39 YR | White | No | 3 | mother | B-Lymphocyte | 3453 |