Complex sentence: The Molinaka then became the Forerunner of the more recognized ANS or "Armée Nationale Sihanoukienne" and Sihanouk's son, Norodom Ranarariddh, became one of its leaders.
Split into simpler sentences: The Molinaka Then became the Forerunner of the more recognized ANS or "Armée Nationale Sihanoukienne". And Norodom Sihanouk's son, Norodom Ranaraiddh, became one of its leaders.