| Catalog ID | Description | Sex | Age | Race | Affected | Family Member | Relationship to Proband | Cell Type | Family |
| GM27203 | PITT-HOPKINS SYNDROME; PTHS | Male | 6 YR | White | Yes | 1 | proband | B-Lymphocyte | 3405 |
| GM27205 | PITT-HOPKINS SYNDROME; PTHS | Female | 34 YR | White | No | 2 | mother | B-Lymphocyte | 3405 |
| GM27206 | PITT-HOPKINS SYNDROME; PTHS | Female | 34 YR | White | No | 2 | mother | Fibroblast | 3405 |
| GM27207 | PITT-HOPKINS SYNDROME; PTHS | Male | 36 YR | White | No | 3 | father | B-Lymphocyte | 3405 |
| GM27208 | PITT-HOPKINS SYNDROME; PTHS | Male | 36 YR | White | No | 3 | father | Fibroblast | 3405 |