none 

Statements about this table:
the revenue during the 1854 - 1855 tenure be 20000 koku
the revenue for 1854 - 1855 be 20000 koktu
ukyo - daiyu have revenue of 20000 koku
the revenue between 1854 - 1855 be less than the revenue between 1861 - 1869
the revenue of viscount exceeds 20000 koku
name
tenure
courtesy title
court rank
revenues
iwaki yoshitaka ( 佐竹義隆 )
1623 - 1634
shuri - daiyu
lower 5th (従五位下)
20000 koku
iwaki nobutaka ( 岩城宣隆 )
1628 - 1656
tajima - no - kami
lower 5th (従五位下)
20000 koku
iwaki shigetaka ( 岩城重隆 )
1656 - 1704
iyo - no - kami
lower 5th (従五位下)
20000 koku
iwaki hidetaka ( 岩城秀隆 )
1685 - 1735
iyo - no - kami
lower 5th (従五位下)
20000 koku
iwaki takatsugu ( 岩城隆韶 )
1718 - 1745
tajima - no - kami
lower 5th (従五位下)
20000 koku
name
tenure
courtesy title
court rank
revenues
iwaki takyoshi ( 岩城隆恭 )
1745 - 1782
iyo - no - kami
lower 5th (従五位下)
20000 koku
iwaki takanori ( 岩城隆恕 )
1782 - 1817
iyo - no - kami
lower 5th (従五位下)
20000 koku
iwaki takahiro ( 岩城隆喜 )
1817 - 1853
iyo - no - kami
lower 5th (従五位下)
20000 koku
iwaki takanaga ( 岩城隆永 )
1854 - 1855
tajima - no - kami
lower 5th (従五位下)
20000 koku
name
tenure
courtesy title
court rank
revenues
iwaki takanobu ( 岩城隆信 )
1855 - 1855
- none -
lower 5th (従五位下)
20000 koku
iwaki takamasa ( 岩城隆政 )
1855 - 1861
shuri - daiyu
lower 5th (従五位下)
20000 koku
iwaki takakuni ( 岩城隆邦 )
1861 - 1869
ukyo - daiyu
lower 5th (従五位下)
20000 koku
iwaki takaaki ( 岩城隆彰 )
1869 - 1871
viscount
5th (従五位)
20000 -- >18000 koku