Herein we report the first hybrid magnetic material resulting from the intercalation of a cyanide-based molecular magnet into a solid-state layered host. More specifically, the use of a diamagnetic cationic Zn-II-Al-III layered double hydroxide host allows for the formation of an anionic two-dimensional ferromagnetic Ni-II-Cr-III Prussian Blue analogue, from the templated assembly of its ionic molecular components in the confined interlamellar space offered by the inorganic host.