RELATIVAL CONSTRUCTIONS. That, "whatsoever that"Whatsoever that. In the following there is probably an ellipsis:
“This and what needful else (there be)
That calls upon us.
“Till whatsoever star (it be) that guides my moving
Points on me graciously with fair aspect.
In the latter, that is probably the demonstrative. It might, however, be the conjunctional that. See "if that," 287.
“As if that whatsoever god (it be) who leads him
Were slily crept into his human powers.