| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| X-linked intellectual disability, hypotonia, movement disorder syndrome | Is a | True | Intellectual disability | Inferred relationship | Some |  | 
| Peripheral demyelinating neuropathy, central dysmyelinating leukodystrophy, Waardenburg syndrome, Hirschsprung disease (disorder) | Is a | True | Intellectual disability | Inferred relationship | Some |  | 
| Autosomal dominant intellectual disability, craniofacial anomalies, cardiac defects syndrome | Is a | True | Intellectual disability | Inferred relationship | Some |  | 
| Congenital contracture of limbs and face, hypotonia, developmental delay syndrome | Is a | True | Intellectual disability | Inferred relationship | Some |  | 
| X-linked intellectual disability, short stature, overweight syndrome | Is a | True | Intellectual disability | Inferred relationship | Some |  | 
| Baraitser Winter cerebrofrontofacial syndrome (disorder) | Is a | True | Intellectual disability | Inferred relationship | Some |  | 
| Menke Hennekam syndrome | Is a | True | Intellectual disability | Inferred relationship | Some |  | 
| Pumilio RNA binding family member 1-associated developmental disability, ataxia, seizure syndrome (disorder) | Is a | True | Intellectual disability | Inferred relationship | Some |  | 
| WARS2-related combined oxidative phosphorylation defect | Is a | True | Intellectual disability | Inferred relationship | Some |  | 
| Infantile-onset axonal motor and sensory neuropathy, optic atrophy, neurodegenerative syndrome (disorder) | Is a | True | Intellectual disability | Inferred relationship | Some |  | 
| Progressive essential tremor, speech impairment, facial dysmorphism, intellectual disability, abnormal behavior syndrome | Is a | True | Intellectual disability | Inferred relationship | Some |  | 
| Spastic paraplegia, intellectual disability, nystagmus, obesity syndrome | Is a | True | Intellectual disability | Inferred relationship | Some |  | 
| Megalencephaly, severe kyphoscoliosis, overgrowth syndrome | Is a | True | Intellectual disability | Inferred relationship | Some |  | 
| GRIN2B-related developmental delay, intellectual disability, autism spectrum disorder | Is a | True | Intellectual disability | Inferred relationship | Some |  | 
| Infantile multisystem neurologic, endocrine, pancreatic disease (disorder) | Is a | True | Intellectual disability | Inferred relationship | Some |  | 
| Spondylometaphyseal dysplasia, corneal dystrophy syndrome | Is a | True | Intellectual disability | Inferred relationship | Some |  | 
| Primary hypomagnesemia, refractory seizures, intellectual disability syndrome | Is a | True | Intellectual disability | Inferred relationship | Some |  | 
| Combined oxidative phosphorylation defect type 39 | Is a | True | Intellectual disability | Inferred relationship | Some |  | 
| Short stature, skeletal dysplasia, retinal degeneration, intellectual disability, sensorineural hearing loss syndrome | Is a | True | Intellectual disability | Inferred relationship | Some |  | 
| Cyclin dependent kinase 13-related congenital heart defects, intellectual disability, facial dysmorphism syndrome (disorder) | Is a | True | Intellectual disability | Inferred relationship | Some |  | 
| SET domain containing 2, histone lysine methyltransferase-related microcephaly, severe intellectual disability, multiple congenital anomalies syndrome (disorder) | Is a | True | Intellectual disability | Inferred relationship | Some |  | 
| Clark Baraitser syndrome (disorder) | Is a | True | Intellectual disability | Inferred relationship | Some |  | 
| Congenital pontocerebellar hypoplasia type 11 (disorder) | Is a | True | Intellectual disability | Inferred relationship | Some |  | 
| SMARCA2-related blepharophimosis, intellectual disability syndrome | Is a | True | Intellectual disability | Inferred relationship | Some |  | 
| Infantile neurodegeneration, progressive spasticity, intellectual disability, white matter lesions syndrome | Is a | True | Intellectual disability | Inferred relationship | Some |  | 
| Neurodevelopmental delay, hypotonia, cerebellar ataxia, cardiac conduction defects syndrome | Is a | True | Intellectual disability | Inferred relationship | Some |  | 
| Myelin transcription factor 1 like-related developmental delay, intellectual disability, obesity syndrome (disorder) | Is a | True | Intellectual disability | Inferred relationship | Some |  | 
| Blepharophimosis, intellectual disability syndrome/genitopatellar overlap syndrome (disorder) | Is a | True | Intellectual disability | Inferred relationship | Some |  | 
| Autosomal dominant intellectual disability, craniofacial dysmorphism, macrocephaly, hypotonia syndrome due to H1.4 linker histone, cluster member mutation (disorder) | Is a | True | Intellectual disability | Inferred relationship | Some |  | 
| Dysequilibrium syndrome | Is a | True | Intellectual disability | Inferred relationship | Some |  | 
| AMeD syndrome | Is a | True | Intellectual disability | Inferred relationship | Some |  | 
| CIMDAG syndrome | Is a | True | Intellectual disability | Inferred relationship | Some |  | 
| Chromodomain helicase DNA binding protein 4-related neurodevelopmental disorder (disorder) | Is a | True | Intellectual disability | Inferred relationship | Some |  | 
| Cleft palate, congenital heart defect, intellectual disability syndrome (disorder) | Is a | True | Intellectual disability | Inferred relationship | Some |  | 
| CPE-related Prader-Willi-like syndrome | Is a | True | Intellectual disability | Inferred relationship | Some |  | 
| Intellectual disability due to hypoxia (disorder) | Is a | True | Intellectual disability | Inferred relationship | Some |  | 
| Growth retardation, intellectual developmental disorder and hepatopathy syndrome (disorder) | Is a | True | Intellectual disability | Inferred relationship | Some |  | 
| DYRK1A-gerelateerd syndroom van verstandelijke beperking | Is a | False | Intellectual disability | Inferred relationship | Some |  |