Complex sentence: Carlos Ibáñez e Ibáñez de Ibero, 1st marquis of Mulhacén, (14 april 1825-29 january 1891) was a spanish divisional general, a precursor of geodesy and was involved in the international diffusion of the metric system.
Split into simpler sentences: Carlos Ibáñez e Ibáñez de Ibero, 1st marquis of Mulhacén, (14 april 1825-29 january 1891) was a spanish divisional general. Precursor of geodesy, he was involved in the international diffusion of the metric system.