Genbei no Jō Sukesada belongs to the lineage of Province, working within the broad group of late -period smiths collectively known as . Among the many dozens of smiths who used the name Sukesada, those who bore the court-style titles Yosazaemon no Jō, Hikobei no Jō, and Genbei no Jō are regarded as especially high in technical accomplishment. Sword signature compendia generally list Genbei no Jō Sukesada as two generations, the first placed in the Eishō era and the second in the Eiroku era, with dated works spanning from Eishō 2 (1505) through Tenshō 11 (1583). The first generation's earliest known work bears a Tenbun-era date, while the second generation is associated with the Eiroku period onward. It is observed that older masterpieces — such as and Unrui works — may have been consulted as references, lending certain of his pieces an archaic flavor that speaks to a deep awareness of earlier and traditions.
Genbei no Jō Sukesada has long been esteemed for excellence in forging, and a distinctive feature of his work is his particular skill in -toned tempering. The characteristically presents a tightly forged with fine , delicate , and rising prominently in the . His hallmark is a broad into which and enter vigorously, yielding a bright and clear . In works of character, and frequently appear, while adheres well throughout. However, he was by no means limited to alone; certain blades display a character with mixed with -flavored elements, koshi-hiraki, , and , producing complex, composite-style of considerable visual intensity. His blades typically exhibit the bold of the Eiroku–Tenshō years — wide with little taper, deep with , an extended , and a long suited to two-handed use — conveying an imposing and robust presence. The is characteristically tempered deeply, often turning back in with .
Among the smiths, Genbei no Jō Sukesada occupies a position of distinction, his reputation resting on the exceptional refinement of his and the breadth and clarity of his tempering. While mass-produced swords of the period can be extremely coarse, his chūmon-uchi — blades forged on individual commission — surpass contemporaneous works from other provinces in technical refinement, and it is precisely because works of this caliber exist that the name has earned such high esteem. His finest examples are , sound and well-preserved, with both and bright and clear, fully demonstrating his high level of technique. It is said that a representative Genbei no Jō Sukesada displays an assertive spirit in its finished workmanship, combining the orderly beauty of the forging with a vigorous internal activity that elevates the blade beyond mere competence into the realm of genuine artistry.