The Koga Domain (古河藩, Koga-han^?) was a Japanese domain of the Edo period, located in Shimōsa Province (present-day Koga, Ibaraki). The first lord of Koga was Ogasawara Hidemasa, who was granted it as a fief following Tokugawa Ieyasu's move to the Kantō region.

[edit] List of lords

• Ogasawara clan (Fudai; 30,000 koku)

1. Hidemasa

• Matsudaira (Toda) clan (Fudai; 30,000 koku)

1. Yasunaga

• Ogasawara (Sakai) clan (Fudai; 20,000 koku)

1. Nobuyuki
2. Masanobu

• Okudaira clan (Fudai; 110,000 koku)

1. Tadamasa

• Nagai clan (Fudai; 72,000 koku)

1. Naokatsu
2. Naomasa

• Doi clan (Fudai; 160,000->135,000->100,000 koku)

1. Toshikatsu
2. Toshitaka
3. Toshishige
4. Toshihisa
5. Toshimasu

• Hotta clan (Fudai; 90,000 koku)

1. Masatoshi
2. Masanaka

• Matsudaira (Fujii) clan (Fudai; 90,000 koku)

1. Nobuyuki
2. Tadayuki

• Matsudaira (Ōkōchi) clan (Fudai; 70,000 koku)

1. Nobuteru
2. Nobutoki

• Honda clan (Fudai; 50,000 koku)

1. Tadayoshi
2. Tadahisa

• Matsudaira (Matsui) clan (Fudai; 50,000 koku)

1. Yasuyoshi

• Doi clan (Fudai; 70,000->80,000 koku)

1. Toshisato
2. Toshiakira
3. Toshiatsu
4. Toshitsura
5. Toshinao
6. Toshinori
7. Toshitomo

[edit] References

• (Japanese) Koga on "Edo 300 HTML" (20 Oct. 2007)

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