In 1946 Jan returned to Belgium to wed Annabert van Wettum, with whom he had been corresponding since they were eleven. Together they moved to London where Yoors set up a studio. After becoming enamored with the medium of tapestry upon seeing an exhibition at the Victoria and Albert Museum, Yoors and Annebert taught themselves weaving, constructed a loom, and began producing tapestries. Not soon after the couple learned that Marianne Citroen, a childhood friend of Annebert had also moved to London from Antwerp. Marianne soon moved in with them, and together the three wove the first of the Yoors tapestries for which the three began gaining recognition from galleries and through public exhibitions.