name       tenure      courtesy title        court rank              revenues
0   iwaki yoshitaka ( 佐竹義隆 )  1623 - 1634       shuri - daiyu  lower 5th (従五位下)            20000 koku
1    iwaki nobutaka ( 岩城宣隆 )  1628 - 1656  tajima - no - kami  lower 5th (従五位下)            20000 koku
2   iwaki shigetaka ( 岩城重隆 )  1656 - 1704     iyo - no - kami  lower 5th (従五位下)            20000 koku
3    iwaki hidetaka ( 岩城秀隆 )  1685 - 1735     iyo - no - kami  lower 5th (従五位下)            20000 koku
4   iwaki takatsugu ( 岩城隆韶 )  1718 - 1745  tajima - no - kami  lower 5th (従五位下)            20000 koku
5    iwaki takyoshi ( 岩城隆恭 )  1745 - 1782     iyo - no - kami  lower 5th (従五位下)            20000 koku
6    iwaki takanori ( 岩城隆恕 )  1782 - 1817     iyo - no - kami  lower 5th (従五位下)            20000 koku
7    iwaki takahiro ( 岩城隆喜 )  1817 - 1853     iyo - no - kami  lower 5th (従五位下)            20000 koku
8    iwaki takanaga ( 岩城隆永 )  1854 - 1855  tajima - no - kami  lower 5th (従五位下)            20000 koku
9    iwaki takanobu ( 岩城隆信 )  1855 - 1855            - none -  lower 5th (従五位下)            20000 koku
10   iwaki takamasa ( 岩城隆政 )  1855 - 1861       shuri - daiyu  lower 5th (従五位下)            20000 koku
11   iwaki takakuni ( 岩城隆邦 )  1861 - 1869        ukyo - daiyu  lower 5th (従五位下)            20000 koku
12    iwaki takaaki ( 岩城隆彰 )  1869 - 1871            viscount         5th (従五位)  20000 -- >18000 koku

Table as JSON:
{"name":{"0":"iwaki yoshitaka ( 佐竹義隆 )","1":"iwaki nobutaka ( 岩城宣隆 )","2":"iwaki shigetaka ( 岩城重隆 )","3":"iwaki hidetaka ( 岩城秀隆 )","4":"iwaki takatsugu ( 岩城隆韶 )","5":"iwaki takyoshi ( 岩城隆恭 )","6":"iwaki takanori ( 岩城隆恕 )","7":"iwaki takahiro ( 岩城隆喜 )","8":"iwaki takanaga ( 岩城隆永 )","9":"iwaki takanobu ( 岩城隆信 )","10":"iwaki takamasa ( 岩城隆政 )","11":"iwaki takakuni ( 岩城隆邦 )","12":"iwaki takaaki ( 岩城隆彰 )"},"tenure":{"0":"1623 - 1634","1":"1628 - 1656","2":"1656 - 1704","3":"1685 - 1735","4":"1718 - 1745","5":"1745 - 1782","6":"1782 - 1817","7":"1817 - 1853","8":"1854 - 1855","9":"1855 - 1855","10":"1855 - 1861","11":"1861 - 1869","12":"1869 - 1871"},"courtesy title":{"0":"shuri - daiyu","1":"tajima - no - kami","2":"iyo - no - kami","3":"iyo - no - kami","4":"tajima - no - kami","5":"iyo - no - kami","6":"iyo - no - kami","7":"iyo - no - kami","8":"tajima - no - kami","9":"- none -","10":"shuri - daiyu","11":"ukyo - daiyu","12":"viscount"},"court rank":{"0":"lower 5th (従五位下)","1":"lower 5th (従五位下)","2":"lower 5th (従五位下)","3":"lower 5th (従五位下)","4":"lower 5th (従五位下)","5":"lower 5th (従五位下)","6":"lower 5th (従五位下)","7":"lower 5th (従五位下)","8":"lower 5th (従五位下)","9":"lower 5th (従五位下)","10":"lower 5th (従五位下)","11":"lower 5th (従五位下)","12":"5th (従五位)"},"revenues":{"0":"20000 koku","1":"20000 koku","2":"20000 koku","3":"20000 koku","4":"20000 koku","5":"20000 koku","6":"20000 koku","7":"20000 koku","8":"20000 koku","9":"20000 koku","10":"20000 koku","11":"20000 koku","12":"20000 -- >18000 koku"}}