Le Doulieu

Estaires (French pronunciation: [etɛʁ]; West Flemish: Stegers) is a commune in the Nord department of the Hauts-de-France region in northern France. The town gives its name to a type of chicken bred in the area: the Estaires chicken.

La Gorgue (French pronunciation: [la ɡɔʁɡ]) is a town in northern France. It is a commune in the Nord department. The population of La Gorgue in 2019 was 5,639. It was the location of the Beaupré-sur-la-Lys Abbey, founded in 1221, whose grounds were used as a Royal Flying Corps base during World War I.

The Lawe (French pronunciation: [lav] ) is a river of northern France, and a right tributary of the Lys. It is 41 km (25 mi) long. Its source is near Magnicourt-en-Comte. It flows generally northeast through Houdain, Bruay-la-Buissière, Béthune and Lestrem. It flows into the Lys in La Gorgue.

Neuf-Berquin (French pronunciation: [nœf bɛʁkɛ̃]; from Dutch: Nieuw-Berkijn) is a commune in the Nord department in northern France. French composer and clarinetist Ferdinand Capelle was born in Neuf-Berquin.

Sailly-sur-la-Lys (French pronunciation: ​[saji syʁ la lis], literally Sailly on the Lys; West Flemish: Zelleken) is a commune in the Pas-de-Calais department in the Hauts-de-France region of France.

The Canton of Merville is a former cantons in the Dunkirk arrondissement of the Nord department of the Nord-Pas-de-Calais region, in northern France. It had 25,467 inhabitants (2012). It was disbanded following the French canton reorganisation which came into effect in March 2015.

Bailleul (French pronunciation: [bajœl] ; Belle in Dutch) is a commune in the Nord department in northern France. It is located in French Flanders, 3 km (2 mi) from the Belgian border and 26 km (16 mi) northwest of Lille.

The canton of Bailleul is an administrative division of the Nord department, northern France. It was created at the French canton reorganisation which came into effect in March 2015. Its seat is in Bailleul.It consists of the following communes:

Robert Balderston Burgess (25 December 1890 – 9 December 1915) was a rugby union player, who represented Ireland. He died at Armentières during the First World War.

Sergeant Frank Potter (1891 – 11 September 1917) was a British World War I observer who became a flying ace, being credited with seven aerial victories.

Captain William Victor Trevor Rooper (10 May 1897 – 9 October 1917) was a British World War I flying ace credited with eight aerial victories, before becoming Franz Xaver Danhuber's seventh victim.

Captain Harry Gosford Reeves (30 September 1896 – 24 January 1918) was a British World War I flying ace credited with 13 aerial victories while flying various models of Nieuport aircraft. He was killed in a crash while flight testing a Nieuport 27.