To provide a holder-equipped window glass capable of increasing the quality and productivity and capable of preventing breakage of the window glass to be caused by attachment of the holder, and a process for its production. A holder main body 18 is an integrally molded product comprising an inner layer portion 26 and an outer layer portion 28. The inner layer portion 26 is constructed to be U-shaped in cross section to clamp a part of a lower edge 12B of a window glass 12 in the thickness direction of the lower edge 12B. Further, the outer layer portion 28 is located outside the inner layer portion 26, is made of a material harder than the inner layer portion 26 and is constructed to be U-shaped in cross section. This outer layer portion 28 is provided with a connecting portion 16. This connection portion 16 is projecting in a direction departing form the lower edge 12B of the window glass 12.