Complex sentence: Schneiderlin has represented France at under-16, under-17, under-18, whom he captained, and under-19 levels and in 2014 made his debut for the full international team and was a member of the France World Cup squad.
Split into simpler sentences: Schneiderlin has represented France at under-16, under-17, under-18, whom he captained, and under-19 levels. In 2014, he made his debut for the full international team and was a member of the France World Cup squad.