| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Fragile X syndrome | Is a | False | Multiple malformation syndrome with early overgrowth | Inferred relationship | Existential restriction modifier |  | 
| Weaver syndrome | Is a | True | Multiple malformation syndrome with early overgrowth | Inferred relationship | Existential restriction modifier |  | 
| Marshall-Smith syndrome | Is a | True | Multiple malformation syndrome with early overgrowth | Inferred relationship | Existential restriction modifier |  | 
| Sotos' syndrome | Is a | True | Multiple malformation syndrome with early overgrowth | Inferred relationship | Existential restriction modifier |  | 
| Beckwith-Wiedemann syndrome | Is a | True | Multiple malformation syndrome with early overgrowth | Inferred relationship | Existential restriction modifier |  | 
| Capillary malformation of lower lip, lymphatic malformation of face and neck, asymmetry of face and limbs and overgrowth syndrome | Is a | True | Multiple malformation syndrome with early overgrowth | Inferred relationship | Existential restriction modifier |  | 
| Klippel Trenaunay syndrome | Is a | False | Multiple malformation syndrome with early overgrowth | Inferred relationship | Existential restriction modifier |  | 
| Overgrowth, macrocephaly, facial dysmorphism syndrome | Is a | True | Multiple malformation syndrome with early overgrowth | Inferred relationship | Existential restriction modifier |  | 
| Perlman syndrome | Is a | True | Multiple malformation syndrome with early overgrowth | Inferred relationship | Existential restriction modifier |  | 
| Simpson-Golabi-Behmel syndrome | Is a | True | Multiple malformation syndrome with early overgrowth | Inferred relationship | Existential restriction modifier |  | 
| Simpson Golabi Behmel syndrome type 2 | Is a | False | Multiple malformation syndrome with early overgrowth | Inferred relationship | Existential restriction modifier |  | 
| Angio-osteohypertrophic syndrome | Is a | True | Multiple malformation syndrome with early overgrowth | Inferred relationship | Existential restriction modifier |  | 
| Macrocephaly, obesity, mental disability, ocular abnormality syndrome | Is a | True | Multiple malformation syndrome with early overgrowth | Inferred relationship | Existential restriction modifier |  | 
| Cerebral gigantism jaw cysts syndrome | Is a | False | Multiple malformation syndrome with early overgrowth | Inferred relationship | Existential restriction modifier |  | 
| Phosphatidylinositol-4,5-bisphosphate 3-kinase catalytic subunit alpha related overgrowth syndrome | Is a | True | Multiple malformation syndrome with early overgrowth | Inferred relationship | Existential restriction modifier |  | 
| Malan overgrowth syndrome | Is a | True | Multiple malformation syndrome with early overgrowth | Inferred relationship | Existential restriction modifier |  | 
| PTEN hamartoma tumor syndrome | Is a | True | Multiple malformation syndrome with early overgrowth | Inferred relationship | Existential restriction modifier |  | 
| Tall stature, intellectual disability, facial dysmorphism syndrome | Is a | True | Multiple malformation syndrome with early overgrowth | Inferred relationship | Existential restriction modifier |  | 
| Tall stature, scoliosis, macrodactyly of great toe syndrome | Is a | True | Multiple malformation syndrome with early overgrowth | Inferred relationship | Existential restriction modifier |  | 
| 15q overgrowth syndrome | Is a | True | Multiple malformation syndrome with early overgrowth | Inferred relationship | Existential restriction modifier |  | 
| Macrosomia, microphthalmia, cleft palate syndrome | Is a | True | Multiple malformation syndrome with early overgrowth | Inferred relationship | Existential restriction modifier |  | 
| Global developmental delay, lung cysts, overgrowth, Wilms tumor syndrome | Is a | True | Multiple malformation syndrome with early overgrowth | Inferred relationship | Existential restriction modifier |  | 
| Segmental progressive overgrowth syndrome with fibroadipose hyperplasia | Is a | True | Multiple malformation syndrome with early overgrowth | Inferred relationship | Existential restriction modifier |  | 
| Proteus syndrome | Is a | True | Multiple malformation syndrome with early overgrowth | Inferred relationship | Existential restriction modifier |  | 
| Tall stature, intellectual disability, renal anomalies syndrome | Is a | True | Multiple malformation syndrome with early overgrowth | Inferred relationship | Existential restriction modifier |  | 
| Overgrowth syndrome with 2q37 translocation | Is a | True | Multiple malformation syndrome with early overgrowth | Inferred relationship | Existential restriction modifier |  | 
| Overgrowth, metaphyseal undermodeling, spondylar dysplasia syndrome | Is a | True | Multiple malformation syndrome with early overgrowth | Inferred relationship | Existential restriction modifier |  | 
| Kosaki overgrowth syndrome | Is a | True | Multiple malformation syndrome with early overgrowth | Inferred relationship | Existential restriction modifier |  | 
| Megalencephaly, severe kyphoscoliosis, overgrowth syndrome | Is a | True | Multiple malformation syndrome with early overgrowth | Inferred relationship | Existential restriction modifier |  |