[2] Holmes did three tours of northern Syria with the YPG and featured regularly in international media about foreign fighters with Kurdish-led forces, including the Channel 4 documentary 'Frontline Fighting: The Brits Battling ISIS'.

[8] During the battle for Raqqa, he commanded the four-man 223 YPG Sniper Unit made up of international volunteers from Spain, the US and Germany.

[11] Hundreds of mourners gathered in Dorset on Friday 2 February 2018 to attend Holmes' funeral.

"About 500 people, including family members, friends, British Kurds, the parents of other British men to have died in Syria and about 30 former YPG comrades from across the world" attended the service in Wimborne to pay tribute to Holmes, according to The Guardian.

[12] His coffin was covered with flowers in the colours of the YPG and the YPG commander Nuri Mahmud spoke via Skype from Syria to offer his personal condolences and to commend Jac for his contribution to the eradication of ISIS in Raqqa.