A German court sentenced 37-year-old Iraqi Abu Walaa on Wednesday
He was accused of leading jihadist network radicalising young people in Europe
Walaa would also help young people travel to Iraq and Syria, home to ISIS
He was found guilty on Wednesday of belonging to a foreign terrorist organisation, helping to plan subversive violent acts and financing terrorism
Three co-defendants were also handed sentences, from four to eight years
The network's recruits included a pair of German twin brothers who committed a bloody suicide attack in Iraq in 2015