Snow's Island, Dec 30, 1780. Sir, You will proceed with a party down Black river, from Black Mingo to the mouth of Pedee, and come up to this place; you will take all the boats and canoes from Euhaney up, and impress negroes to bring them to camp; put some men to see them safe; you will take every horse, to Whomsoever he may belong, whether friend or foe.
"A Sketch of the Life of Brig. Gen. Francis Marion"
William Dobein James
It will be noted that whoever, whosoever, and whoso have objective forms, whomever, Whomsoever, and whomso; and possessive forms, whosoever, whosesoever, and whoseso.
"Practical Grammar and Composition"
Thomas Wood
And I knew Him not: but He that sent me to baptize with water, He said unto me, Upon Whomsoever thou shalt see the Spirit descending, and abiding upon Him, the same is He that baptizeth with the Holy Spirit.
"The Expositor's Bible: The Gospel of St. John, Vol. I"
Marcus Dods