Weaver Syndrome, also known as weaver-williams syndrome, is related to overgrowth syndrome and sotos syndrome, and has symptoms including muscle spasticity An important gene associated with Weaver Syndrome is EZH2 (Enhancer Of Zeste 2 Polycomb Repressive Complex 2 Subunit), and among its related pathways/superpathways are Gene expression (Transcription) and RNA Polymerase I Promoter Opening. Affiliated tissues include bone and skin, and related phenotypes are microcephaly and cleft palate