Father (III:4) and aunt (III:3) had the same variants in genes: ABCG8, BIN1, SCN2B, and SYNE1 (related to Emery-Dreifuss muscular dystrophy with cardiomyopathy, cardiac conduction defects, and cerebellar ataxia). This evidence concerns the gene SCN2B and Emery-Dreifuss muscular dystrophy.