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In all the world, Zigu (子谷 , Zigu , 子固 ) is a rare dominantly masculine, but uncommonly feminine first name. The first name Zigu is characteristic of Israel, where it is a rare boy's name, China, where it is a very rare predominantly boy's, but very seldom feminine name, and India, where it is an extremely rare gender-neutral name. Very seldom, Zigu is the last name as well as the forename.