the GNU version of the Collaborative International Dictionary of English
pronoun. The possessive of whosoever. See whosoever.
The Century Dictionary and Cyclopedia
The possessive or genitive case of whosoever.
Word Usage
""Receive the Holy Ghost," 284 he addeth in the next verse, "Whosesoever sins ye remit, they are remitted unto them; and whosesoever sins ye retain, they are retained.""