江戸時代の大名は、家格によって江戸城での席次が決められていた。
In the Edo period, a daimyo's seat at Edo Castle was determined by his family's rank.
公家の家格は摂家、清華家、大臣家などに分かれていた。
Court noble families were divided by rank into the sekke, seigake, daijinke, and others.
両家の家格が釣り合わないという理由で、二人の結婚は反対された。
Their marriage was opposed on the grounds that the two families were not of equal standing.