Vlamertinge would come from Flambert (a name) + inga (son, descendant of (genitive)) + heim (domicile). The oldest known spellings of the current Vlamertinge are: Flembertenges (1066), Flamertingha (1123), Flambertinghes (1142), Flamertinge (1154), Flamertinga (1185), Flamertinghe (1200), Flambertengues (1202), Flamertinghes (1238), Flamertinges (1269), Vlamertinghe (1272), Vlamertinghes (1275), Flamertenghe (1275), Vlamertincghe (1280), etc.