Although his shoryo (territory) at this time is unknown, a historian Yoshihiko AMINO assumes that FUJIWARA no Kanemitsu as follows was Kanemitsu IGA; the former Governor of Ise Province who took over the position of Jitoshiki (manager and lord of manor) of the Jisei-kyo Village and Hyugaura in Wakasa Province in December 1265 as the heir of Mitsumune IGA, great grandfather of Kanemitsu, and a donor and former Ise no kami (Governor of Ise Province) who appears on Monju Bosatsuzo Bokushomei (statue of Manjusri [bodhisattva], ink inscriptions) of the Hannya-ji Temple in Yamato Province dated in April 1324.
この頃の所領は不明であるが、歴史学者の網野善彦は、文永2年（1265年）11月に兼光の曾祖父伊賀光宗の跡（後継者）として、若狭国耳西郷・日向浦の地頭職を継承したことが確認されている伊勢前司、及び、元亨4年（1324年）3月の日付がある大和国般若寺の文殊菩薩像墨書銘に見える施主前伊勢守藤原兼光を、伊賀兼光と推定している。