“…Consanguinity therefore plays an important role in the occurrence of familial forms, with variable genotypes, as shown by our clinical cases 1 and 2, where three cases were found, two of them alive and the older brother probably dead from beta-thalassaemia major. Other authors, notably Barouni [12,13,14,15]. Barouni M et al also found in their study that 37.1% of thalassaemia patients had at least one brother or sister affected by the same disease [12].…”