English: Arms of Nico F. Declercq (Kortrijk, Belgium, 27 December 1075) and his descendants, according to heraldic laws, image appeared in the old armoral of SCHWEIZERISCHE HERALDISCHE GESELLSHAFT (SHG) (Société Suisse d'Héraldique; Società Svizzera di Araldica), artwork by Marco Foppoli (Heraldic Artist and official "[Wappenmeister|Weapons_master]" of the SHG).

Blazon: A la bordure componnée de quatorze pièces d’or et d’azur dont cinq au chef, un écusson d’azur, a une grue d’argent sur pied, membrée et becquée de gueules, tenant de la patte dextre une plume d’oie taillée d’or posée en pal, accompagnée en chef de deux étoiles radiée de 6 pointes d’or et en ponte un soleil d'or. (English: on the bordure a compone of 14 pieces gold and azur of which five at the top, an azur shield, having a silver crane with raised foot, membered and beaked gules, holding in the right foot a straight feather, accompanied in chief by two six-pointed stars in gold and at the bottom a golden sun)

Devise/motto: Érudit et sage à pied levé

Cimier/Crest: un cygne éployé d'argent et becquée de gueules

Origin: Coat of arms contains colours and elements referring to that of Declercq’s ancestors ‘de Patin’ (originating in the 14th century in Cambrai, France), with shield placed on top of the original of his Spanish paternal ancestors ‘Desclergues’ (originating in the 16th century in Catalunya, Spain), discretely exposing two pillars.