Intellectual Disability-Severe Speech Delay-Mild Dysmorphism Syndrome, also known as foxp1 syndrome, is related to intellectual developmental disorder with language impairment and with or without autistic features and autism spectrum disorder. An important gene associated with Intellectual Disability-Severe Speech Delay-Mild Dysmorphism Syndrome is FOXP1 (Forkhead Box P1). Affiliated tissues include brain and kidney, and related phenotypes are delayed speech and language development and prominent forehead