The
fudai Inaba clan originated in
Mino Province. who claimed descent from Emperor Kammu (736–805). Masakuni was part of the cadet branch of the Inaba which was created in 1588. This branch is descended from
Inaba Masanari, who fought in the armies of Nobunaga and then Hideyoshi. In 1619, Masanari was granted the
han of
Itoigawa (25,000
koku) in
Echigo Province; then, in 1627, his holding was transferred to
Mōka Domain (65,000
koku) in
Shimotsuke Province. Masanari's descendants resided successively at
Odawara Domain (105,000
koku) in
Sagami Province from 1632 through 1685; at
Takata Domain in
Echigo Province from 1685 through 1701; at
Sakura Domain in
Shimōsa Province from 1701 through 1723. Masakuni's heirs and others who were also descendants of Inaba Masanari settled at
Yodo Domain (115,000
koku) in
Yamashiro Province from 1723 through 1868. The head of this clan line was ennobled as a "Viscount" in the Meiji period. ==Tokugawa official==