Claim: Gijsbert, a Dutch male name that means "bright pledge", originated from Netherlands, and Flanders, the Dutch-speaking northern portion of Belgium.
Evidence: Gijsbert is a Dutch masculine given name, which is a variant of the names Gisbert and Gilbert, and means "bright pledge". Netherlands, Flanders Flanders (UK: /ˈflɑːndərz/, US: /ˈflæn-/; Dutch: Vlaanderen [ˈvlaːndərə(n) (listen); French: Flandre [flɑ̃dʁ; German: Flandern [ˈflandɐn (listen)) is the Dutch-speaking northern portion of Belgium and one of the communities, regions and language areas of Belgium. 
Flanders (UK: /ˈflɑːndərz/, US: /ˈflæn-/; Dutch: Vlaanderen [ˈvlaːndərə(n) (listen); French: Flandre [flɑ̃dʁ; German: Flandern [ˈflandɐn (listen)) is the Dutch-speaking northern portion of Belgium and one of the communities, regions and language areas of Belgium. Male Dutch "bright pledge" Netherlands, Flanders