sentences:  In the Late Middle Ages, Ginsweiler was very small, indeed at best a gathering of several farms right up until the Thirty Years' War broke out in the early 17th century.Furthermore, the number of farms was at least halved in that long-fought war.Great growth in population marked the 18th century, though, which can only be explained by newcomers settling in the village, which in the beginning was likely the result of French repopulation measures.