Complex sentence: Since so many chapter were being created by 1950 a central governing body was created called "Honorable Consejo Supremo", its first president was Judith Mercader de Sifre.
Split into simpler sentences: Since so many chapters were being created by 1950 a central governing body was created called "Honorable Consejo Supremo". Its first president was Judith Mercader de Sifre.