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hereditary title (used in ancient Japan to denote rank and political standing); kabane
結婚して姓が変わることになった。
My surname will change after marriage.
日本では姓を先に言うのが普通だ。
In Japan, it's common to say the surname first.
彼の姓は珍しいから覚えやすい。
His surname is rare so it's easy to remember.