Classic HGPS is caused by a de novo mutation (c.1824C → T, p.G608G) in the LMNA gene, encoding the A‐type lamins A, C, and AΔ10 (de Sandre‐Giovannoli et al., 2003; Eriksson et al., 2003). Here, LMNA is linked to Hutchinson-Gilford progeria syndrome.