封土

to heap earth (to close a tomb) / a mound (covering a tomb)

surname Feng

to confer / to grant / to bestow a title / to seal / classifier for sealed objects, esp. letters

Tu (ethnic group) / surname Tu

earth / dust / clay / local / indigenous / crude opium / unsophisticated / one of the eight categories of ancient musical instruments 八音[ba1 yin1]