| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| X-linked lethal multiple pterygium syndrome | Is a | True | Multiple malformation syndrome with limb defect as major feature | Inferred relationship | Existential restriction modifier |  | 
| Intellectual disability, spasticity, ectrodactyly syndrome | Is a | True | Multiple malformation syndrome with limb defect as major feature | Inferred relationship | Existential restriction modifier |  | 
| Tibial hemimelia, polysyndactyly, triphalangeal thumb syndrome | Is a | True | Multiple malformation syndrome with limb defect as major feature | Inferred relationship | Existential restriction modifier |  | 
| Holoprosencephaly, ectrodactyly, cleft lip, cleft palate syndrome | Is a | True | Multiple malformation syndrome with limb defect as major feature | Inferred relationship | Existential restriction modifier |  | 
| Carney complex, trismus, pseudocamptodactyly syndrome | Is a | True | Multiple malformation syndrome with limb defect as major feature | Inferred relationship | Existential restriction modifier |  | 
| Cono-spondylar dysplasia | Is a | True | Multiple malformation syndrome with limb defect as major feature | Inferred relationship | Existential restriction modifier |  | 
| Radio-renal syndrome | Is a | True | Multiple malformation syndrome with limb defect as major feature | Inferred relationship | Existential restriction modifier |  | 
| Lower limb malformation hypospadias syndrome | Is a | True | Multiple malformation syndrome with limb defect as major feature | Inferred relationship | Existential restriction modifier |  | 
| Polyneuropathy, intellectual disability, acromicria, premature menopause syndrome | Is a | True | Multiple malformation syndrome with limb defect as major feature | Inferred relationship | Existential restriction modifier |  | 
| Thumb deformity, alopecia, pigmentation anomaly syndrome | Is a | True | Multiple malformation syndrome with limb defect as major feature | Inferred relationship | Existential restriction modifier |  | 
| Ectrodactyly polydactyly syndrome | Is a | True | Multiple malformation syndrome with limb defect as major feature | Inferred relationship | Existential restriction modifier |  | 
| Hallux varus, preaxial polysyndactyly syndrome | Is a | True | Multiple malformation syndrome with limb defect as major feature | Inferred relationship | Existential restriction modifier |  | 
| Absent radius, anogenital anomalies syndrome | Is a | True | Multiple malformation syndrome with limb defect as major feature | Inferred relationship | Existential restriction modifier |  | 
| Ectodermal dysplasia syndactyly syndrome | Is a | True | Multiple malformation syndrome with limb defect as major feature | Inferred relationship | Existential restriction modifier |  | 
| 14q22q23 microdeletion syndrome | Is a | True | Multiple malformation syndrome with limb defect as major feature | Inferred relationship | Existential restriction modifier |  | 
| Postaxial polydactyly, dental, vertebral anomalies syndrome | Is a | True | Multiple malformation syndrome with limb defect as major feature | Inferred relationship | Existential restriction modifier |  | 
| Aphonia, deafness, retinal dystrophy, bifid halluces, intellectual disability syndrome | Is a | True | Multiple malformation syndrome with limb defect as major feature | Inferred relationship | Existential restriction modifier |  | 
| Fibulin 1-related developmental delay, central nervous system anomaly, syndactyly syndrome | Is a | True | Multiple malformation syndrome with limb defect as major feature | Inferred relationship | Existential restriction modifier |  | 
| Temtamy preaxial brachydactyly syndrome | Is a | True | Multiple malformation syndrome with limb defect as major feature | Inferred relationship | Existential restriction modifier |  | 
| Finger hyperphalangy, toe anomalies, severe pectus excavatum syndrome | Is a | True | Multiple malformation syndrome with limb defect as major feature | Inferred relationship | Existential restriction modifier |  | 
| Fibular aplasia, tibial campomelia, oligo-syndactyly syndrome | Is a | True | Multiple malformation syndrome with limb defect as major feature | Inferred relationship | Existential restriction modifier |  | 
| Radial deficiency, tibial hypoplasia syndrome | Is a | True | Multiple malformation syndrome with limb defect as major feature | Inferred relationship | Existential restriction modifier |  | 
| Thoracomelic dysplasia | Is a | True | Multiple malformation syndrome with limb defect as major feature | Inferred relationship | Existential restriction modifier |  | 
| Syndactyly, nystagmus syndrome due to 2q31.1 microduplication | Is a | True | Multiple malformation syndrome with limb defect as major feature | Inferred relationship | Existential restriction modifier |  | 
| Syndactyly, camptodactyly and clinodactyly of fifth fingers, bifid toes syndrome | Is a | True | Multiple malformation syndrome with limb defect as major feature | Inferred relationship | Existential restriction modifier |  | 
| Ichthyosis, short stature, brachydactyly, microspherophakia syndrome | Is a | True | Multiple malformation syndrome with limb defect as major feature | Inferred relationship | Existential restriction modifier |  | 
| Syndactyly, polydactyly, ear lobe syndrome | Is a | True | Multiple malformation syndrome with limb defect as major feature | Inferred relationship | Existential restriction modifier |  | 
| Heart defect, tongue hamartoma, polysyndactyly syndrome | Is a | True | Multiple malformation syndrome with limb defect as major feature | Inferred relationship | Existential restriction modifier |  | 
| External auditory canal atresia, vertical talus, hypertelorism syndrome | Is a | True | Multiple malformation syndrome with limb defect as major feature | Inferred relationship | Existential restriction modifier |  | 
| Antecubital pterygium syndrome | Is a | True | Multiple malformation syndrome with limb defect as major feature | Inferred relationship | Existential restriction modifier |  | 
| Odontotrichomelic syndrome | Is a | True | Multiple malformation syndrome with limb defect as major feature | Inferred relationship | Existential restriction modifier |  | 
| Hand-foot-genital syndrome | Is a | True | Multiple malformation syndrome with limb defect as major feature | Inferred relationship | Existential restriction modifier |  | 
| Timothy syndrome type 2 | Is a | False | Multiple malformation syndrome with limb defect as major feature | Inferred relationship | Existential restriction modifier |  | 
| Acrocardiofacial syndrome | Is a | True | Multiple malformation syndrome with limb defect as major feature | Inferred relationship | Existential restriction modifier |  | 
| Triphalangeal thumb and polysyndactyly syndrome | Is a | True | Multiple malformation syndrome with limb defect as major feature | Inferred relationship | Existential restriction modifier |  | 
| Mirror hands and feet co-occurrent with nasal defect | Is a | True | Multiple malformation syndrome with limb defect as major feature | Inferred relationship | Existential restriction modifier |  | 
| Acrocephalosyndactyly | Is a | True | Multiple malformation syndrome with limb defect as major feature | Inferred relationship | Existential restriction modifier |  | 
| Split-foot malformation, mesoaxial polydactyly syndrome | Is a | True | Multiple malformation syndrome with limb defect as major feature | Inferred relationship | Existential restriction modifier |  | 
| Waardenburg syndrome type 3 | Is a | True | Multiple malformation syndrome with limb defect as major feature | Inferred relationship | Existential restriction modifier |  | 
| Mirror polydactyly, vertebral segmentation and limb defect syndrome | Is a | True | Multiple malformation syndrome with limb defect as major feature | Inferred relationship | Existential restriction modifier |  | 
| Autosomal dominant preaxial polydactyly, upper back hypertrichosis syndrome | Is a | True | Multiple malformation syndrome with limb defect as major feature | Inferred relationship | Existential restriction modifier |  | 
| Sugarman brachydactyly | Is a | True | Multiple malformation syndrome with limb defect as major feature | Inferred relationship | Existential restriction modifier |  | 
| Short stature, brachydactyly, obesity, global developmental delay syndrome | Is a | True | Multiple malformation syndrome with limb defect as major feature | Inferred relationship | Existential restriction modifier |  | 
| Dysraphism, cleft lip and palate, limb reduction defect syndrome | Is a | True | Multiple malformation syndrome with limb defect as major feature | Inferred relationship | Existential restriction modifier |  | 
| Timothy syndrome type 1 | Is a | True | Multiple malformation syndrome with limb defect as major feature | Inferred relationship | Existential restriction modifier |  |