Tessadori-Bicknell-Van Haaften Neurodevelopmental Syndrome 1, also known as tebivaned1, is related to tessadori-bicknell-van haaften neurodevelopmental syndrome 4 and tessadori-bicknell-van haaften neurodevelopmental syndrome 3. An important gene associated with Tessadori-Bicknell-Van Haaften Neurodevelopmental Syndrome 1 is H4C3 (H4 Clustered Histone 3), and among its related pathways/superpathways are Gene expression (Transcription) and Infectious disease. Affiliated tissues include skin and brain, and related phenotypes are intellectual disability and microcephaly