Withdrawal of Dutch nationality and declaration of undesirability - Armed jihadi combat in Syria and Iraq – Principle of legal certainty - Principle of 'the right to be heard' (Audi alteram partem rule) - Principle of proportionality - Article 47 and 52 of the Charter of fundamental rights of the EU - Union citizenship - TFEU Article 20 (1) - ECJ Sacko judgment (C-348/16) - ECJ J.N. judgement (C-601/15 PPU) |