| Catalog ID | Description | Sex | Age | Race | Affected | Family Member | Relationship to Proband | Cell Type | Family |
| GM28386 | PITT-HOPKINS SYNDROME; PTHS | Male | 6 YR | White | Yes | 1 | proband | Fibroblast | 3557 |
| GM28387 | PITT-HOPKINS SYNDROME; PTHS | Male | 6 YR | White | Yes | 1 | proband | B-Lymphocyte | 3557 |
| GM28388 | PITT-HOPKINS SYNDROME; PTHS | Female | 37 YR | White | No | 2 | mother | Fibroblast | 3557 |
| GM28389 | PITT-HOPKINS SYNDROME; PTHS | Female | 37 YR | White | No | 2 | mother | B-Lymphocyte | 3557 |
| GM28390 | PITT-HOPKINS SYNDROME; PTHS | Male | 39 YR | White | No | 3 | father | Fibroblast | 3557 |
| GM28391 | PITT-HOPKINS SYNDROME; PTHS | Male | 39 YR | White | No | 3 | father | B-Lymphocyte | 3557 |