Complex sentence: On February 1,1736, he settled in Cartagena de Indias as a Lieutenant of King and, on March 12,1737 he took office before the council of Cartagena.
Split into simpler sentences: On February 1,1736, he settled in Cartagena de Indias as a Lieutenant of King and the March 12,1737. He took office before the council of Cartagena.