A Fourteenth-Century Genealogy of One of Japan's Oldest Clans

A Family Tree of Japan's Ancient Ki Clan

A single handscroll, kept today in a private collection in Nara, sets out the descent of the Ki, one of the oldest aristocratic families in Japanese history. Cataloged plainly as Ki-shi keizu, the "Genealogy of the Ki Clan," it belongs to the category of komonjo, or old documents, and dates to the Nanbokuchō period (1336-1392), the decades when Japan was divided between two rival imperial courts. The scroll was recognized as an Important Cultural Property in 1998.

What survives is one roll of paper, brushed in ink, tracing names and relationships down through the generations. To a first-time viewer it can look austere: columns of names and short notes rather than pictures. The interest lies in what those names represent, and in the paper itself, which carries a second, quieter life on its reverse side.

A Clan of Warriors, Then of Poets

By the accounts preserved in Japan's earliest chronicles, the Ki traced their line to Takenouchi no Sukune, a legendary minister of the early court, through his son Ki no Tsunokuni. For centuries the family served the Yamato rulers as a military house. Its members led campaigns and diplomatic missions, including ventures on the Korean peninsula, and the clan stood among the great lineages of ancient Japan alongside the Kose and the Heguri.

Their fortunes shifted in the ninth century. After the Ōtenmon Incident of 866, in which a leading Ki figure was implicated and exiled in a political scandal, the rising Fujiwara Northern House eclipsed them at court. Shut out of high office, the Ki turned their energies elsewhere, and it is here that the family is best remembered today. Ki no Tsurayuki, who led the compilation of the Kokin Wakashū around 905 and wrote its celebrated preface in kana, came from this line, as did the poet Ki no Tomonori. Tsurayuki's Tosa Nikki, an account of the journey home from his governorship in Tosa, is one of the earliest works of Japanese literary prose. To record this clan, then, is to trace a family that began in war and is now remembered for its verse.

Why the Scroll Matters

The scroll earned its standing as an Important Cultural Property for two reasons that reinforce each other. The first is the genealogy itself, a medieval record of a major ancient clan, useful to historians who reconstruct the families that shaped the early Japanese state.

The second lies on the back of the paper. Like much medieval writing, the scroll reuses sheets that also carry other records. Turn it over and you find a kana calendar dated to Kannō 2 (1351), together with documents of Bunna 2 (1353) and other years. Such reverse-side writings, called shihai monjo, are prized precisely because reused paper preserved everyday records that would otherwise have been thrown away. The calendar is especially uncommon. Calendars written in kana, rather than the Chinese-script almanacs issued to the nobility, were the form ordinary people could read, and very few early examples survive. A dated 1351 kana calendar tucked behind a family tree is the sort of accidental survival that turns a single sheet of paper into a double historical source.

Reading the Scroll

Seen up close, the scroll rewards slow looking. The brushwork is functional rather than decorative, names joined by vertical strokes that map parent to child across the centuries. The paper shows its age in tone and texture, and where the ink of the reverse calendar bleeds faintly through, the layered history of the sheet becomes visible at once.

The dating tells its own story. Because the genealogy shares its paper with documents of the early 1350s, scholars can place its writing in roughly the same period, the unsettled middle of the Nanbokuchō era. This was a generation when families across Japan were compiling and copying genealogies, often to assert lineage and rank amid political upheaval. The Ki scroll sits within that wider current of record-keeping.

Seeing It in Context

The scroll is privately owned and is not on regular public display, so seeing the original cannot be planned the way one might plan a trip to a temple hall or a museum gallery. Documents of this kind surface only occasionally, in special loan exhibitions devoted to medieval manuscripts or to the history of writing and the calendar.

Travelers in Nara who want to encounter materials of this period have good options nearby. The Nara National Museum rotates old documents, calligraphy, and Buddhist manuscripts through its galleries and mounts themed exhibitions where scrolls of this character sometimes appear. For the literary side of the Ki story, the legacy of Ki no Tsurayuki and the Kokin Wakashū runs through the classical collections of Nara and Kyoto, and any strong museum of Japanese calligraphy and books will deepen the context. Checking current exhibition listings before you travel is the surest way to find a medieval scroll on view.

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Q&A

QWhat exactly is the Ki Clan Genealogy?: AIt is a single handscroll recording the family line of the Ki, an ancient Japanese aristocratic clan. It is classed as an old document (komonjo) and dates to the Nanbokuchō period, in the fourteenth century.

QWhy is a family tree designated an Important Cultural Property?: ATwo things give it value. As a medieval genealogy of a major ancient clan it is a useful historical source, and the reverse of the paper carries a 1351 kana calendar and documents of the 1350s, which are rare survivals in their own right.

QWho were the most famous members of the Ki clan?: AThe poet Ki no Tsurayuki is the best known. He led the compilation of the Kokin Wakashū around 905 and wrote the Tosa Nikki, an early masterpiece of Japanese prose. The clan had also begun as a prominent military family.

QCan I see the original scroll?: ANot as a rule. It is privately owned and not on permanent display. It may appear in occasional special exhibitions of medieval documents, so checking museum listings is the best approach.

QWhat is a kana calendar, and why does it matter here?: AA kana calendar was a calendar written in the Japanese kana script so ordinary people could read it, unlike the Chinese-script almanacs reserved for the court. Few early examples survive, which makes the 1351 calendar on the scroll's reverse historically significant.

Basic Information

Name	Ki Clan Genealogy (Ki-shi keizu, 紀氏系図)
Designation	Important Cultural Property (old document)
Date designated	30 June 1998
Period	Nanbokuchō period (1336-1392)
Quantity	One scroll
Location	Nara Prefecture
Owner	Private individual
Public access	Not on permanent display; shown occasionally in special exhibitions