Diets-Jongmans Syndrome, also known as intellectual developmental disorder with distinctive facial dysmorphism, is related to kdm3b-related intellectual disability-facial dysmorphism-short stature syndrome and contractures, pterygia, and spondylocarpotarsal fusion syndrome 1a. An important gene associated with Diets-Jongmans Syndrome is KDM3B (Lysine Demethylase 3B). Affiliated tissues include brain, and related phenotypes are delayed speech and language development and motor delay