Treflan yn Iowa, yn nhalaith Iowa, Unol Daleithiau America yw Rockingham Township, Iowa.
Ar ei huchaf mae'n 168 metr yn uwch na lefel y môr.
Ceir nifer o bobl nodedig a anwyd yn Rockingham Township, gan gynnwys:
Rhestr Wicidata:
Diwedd y rhestr a gynhyrchwyd yn otomatig o Wicidata.
Taleithiau  UDA |
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| Alabama, Alaska, Arizona, Arkansas, Califfornia, Colorado, Connecticut, Delaware, Florida, Georgia, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, Mecsico Newydd, Efrog Newydd, Gogledd Dakota, Gogledd Carolina, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, De Dakota, De Carolina, Tennessee, Texas, Utah, Vermont, Virginia, Washington, Gorllewin Virginia, Wisconsin, Wyoming, District of Columbia, Samoa America, Ynysoedd Americanaidd y Wyryf, Guam, Ynysoedd Gogledd Mariana, Puerto Rico |
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| Siroedd o fewn talaith Iowa |
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| Allegany County, Anne Arundel County, Baltimore, Maryland, Baltimore County, Calvert County, Caroline County, Carroll County, Cecil County, Charles County, Dorchester County, Frederick County, Garrett County, Harford County, Howard County, Kent County, Montgomery County, Prince George's County, Queen Anne's County, Somerset County, Talbot County, Washington County, Wicomico County, Worcester County, St. Mary's County |
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UDA