Princess Kako turns 28 as she takes on duties left by sister - The
Princess Kako Celebrates Her 28th Birthday—And Her Expanded Royal
Princess Kako turns 26
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Japan's Princess Kako of Akishino leaves Tottori Sand Dunes Conan
Princess Kako of Japan marks her 28th birthday with new official
Japan's Princess Mako celebrates 30th birthday
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Japanese Princess Mako celebrates her 29th birthday today