Cavernous malformations (CMs) are vascular anomalies of the nervous system mostly located in the brain. Cerebral cavernous malformations (CCM) can occur sporadically or as an autosomal dominant condition, with incomplete penetrance and variable clinical expression. Occasionally, extraneural manifestations of CMs involving the skin have been described. We report the case of two sibs with cutaneous vascular lesions associated with cerebral CMs. After surgical excision, histopathological analysis demonstrated those lesions to be cavernous hemangiomas. Cerebral MRI revealed multiple images suggestive of cavernous hemangiomas in both patients, although no signs of neurological impairment were reported. The genetic study revealed in both patients a nonsense mutation (c.535C>T) in the KRIT1 gene, leading to a premature stop codon (p.R179X) and giving rise to protein truncation.